diff --git a/.chronus/changes/auto-python-multi-namespace-2025-0-10-9-49-52.md b/.chronus/changes/auto-python-multi-namespace-2025-0-10-9-49-52.md
new file mode 100644
index 00000000000..33201778fb4
--- /dev/null
+++ b/.chronus/changes/auto-python-multi-namespace-2025-0-10-9-49-52.md
@@ -0,0 +1,8 @@
+---
+changeKind: feature
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Support typespec namespace
\ No newline at end of file
diff --git a/packages/autorest.python/package.json b/packages/autorest.python/package.json
index 8a5c9d1a67c..5fef93348ee 100644
--- a/packages/autorest.python/package.json
+++ b/packages/autorest.python/package.json
@@ -29,7 +29,7 @@
   },
   "homepage": "https://github.com/Azure/autorest.python/blob/main/README.md",
   "dependencies": {
-    "@typespec/http-client-python": "~0.5.1",
+    "@typespec/http-client-python": "~0.6.0",
     "@autorest/system-requirements": "~1.0.2",
     "fs-extra": "~11.2.0",
     "tsx": "~4.19.1"
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/__init__.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/__init__.py
new file mode 100644
index 00000000000..d55ccad1f57
--- /dev/null
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/__init__.py
@@ -0,0 +1 @@
+__path__ = __import__("pkgutil").extend_path(__path__, __name__)  # type: ignore
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/__init__.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/__init__.py
new file mode 100644
index 00000000000..d55ccad1f57
--- /dev/null
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/__init__.py
@@ -0,0 +1 @@
+__path__ = __import__("pkgutil").extend_path(__path__, __name__)  # type: ignore
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_metadata.json b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_metadata.json
index f07290e2f59..95e2f0c1049 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_metadata.json
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_metadata.json
@@ -95,8 +95,8 @@
         "operation_group_one": "OperationGroupOneOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_metadata.json b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_metadata.json
index ce0ac43abfe..bd5edd71d2a 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_metadata.json
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_metadata.json
@@ -96,8 +96,8 @@
         "operation_group_two": "OperationGroupTwoOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_metadata.json
index 0fde66cae75..83970d1cfef 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_metadata.json
@@ -95,8 +95,8 @@
         "operation_group_one": "OperationGroupOneOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_metadata.json
index 5f505a520c3..359498e32bc 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_metadata.json
@@ -96,8 +96,8 @@
         "operation_group_two": "OperationGroupTwoOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_metadata.json
index 95778b846ac..e0f1d908799 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_metadata.json
@@ -95,8 +95,8 @@
         "operation_group_one": "OperationGroupOneOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_metadata.json
index 7a34f154b40..436ac1a965e 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_metadata.json
@@ -96,8 +96,8 @@
         "operation_group_two": "OperationGroupTwoOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_metadata.json
index 6afc2663b28..3c61b609e87 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_metadata.json
@@ -95,8 +95,8 @@
         "operation_group_one": "OperationGroupOneOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_metadata.json
index 70a84e3a7b8..3e0f12a2ab7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_metadata.json
@@ -96,8 +96,8 @@
         "operation_group_two": "OperationGroupTwoOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_metadata.json
index cb47fa50483..3edaf131320 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_metadata.json
@@ -95,8 +95,8 @@
         "operation_group_one": "OperationGroupOneOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_metadata.json
index 89a87306b02..93cada4e403 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_metadata.json
@@ -96,8 +96,8 @@
         "operation_group_two": "OperationGroupTwoOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_metadata.json
index 23c84d47768..23fedc11828 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_metadata.json
@@ -95,8 +95,8 @@
         "operation_group_one": "OperationGroupOneOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_metadata.json
index ca1ede8bb18..4c4a1de399c 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_metadata.json
@@ -96,8 +96,8 @@
         "operation_group_two": "OperationGroupTwoOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_metadata.json
index 2afa2ae0f40..0e6aee39314 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_metadata.json
@@ -95,8 +95,8 @@
         "operation_group_one": "OperationGroupOneOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_metadata.json
index 1d15d3d6390..9c6ece66781 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_metadata.json
@@ -95,8 +95,8 @@
         "operation_group_one": "OperationGroupOneOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_metadata.json
index d3520011b2b..bf467aa3b60 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_metadata.json
@@ -96,8 +96,8 @@
         "operation_group_two": "OperationGroupTwoOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/multiapicombiner/multiapicombiner/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/multiapicombiner/multiapicombiner/v1/_metadata.json
index ff69f821a3d..9211daf25c4 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/multiapicombiner/multiapicombiner/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/multiapicombiner/multiapicombiner/v1/_metadata.json
@@ -95,8 +95,8 @@
         "operation_group_one": "OperationGroupOneOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"IO\", \"Iterator\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"LROPoller\"], \"azure.core.paging\": [\"ItemPaged\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"stdlib\": {\"typing\": [\"AsyncIterator\", \"IO\", \"Optional\", \"Union\"], \"io\": [\"IOBase\"]}, \"sdkcore\": {\"azure.core.polling\": [\"AsyncLROPoller\"], \"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/multiapicombiner/multiapicombiner/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/multiapicombiner/multiapicombiner/v3/_metadata.json
index abe34802c8b..b580ceaa54c 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/multiapicombiner/multiapicombiner/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/multiapicombiner/multiapicombiner/v3/_metadata.json
@@ -96,8 +96,8 @@
         "operation_group_two": "OperationGroupTwoOperations"
     },
     "operation_mixins": {
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"local\": {\".\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"local\": {\"..\": [[\"models\", \"_models\"]]}, \"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}}}",
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Iterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.paging\": [\"ItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\".\": [[\"models\", \"_models\"]]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"AsyncIterable\"]}}, \"regular\": {\"sdkcore\": {\"azure.core.async_paging\": [\"AsyncItemPaged\"]}, \"stdlib\": {\"typing\": [\"Optional\"]}, \"local\": {\"..\": [[\"models\", \"_models\"]]}}}",
         "sync_mixin_typing_definitions": "",
         "async_mixin_typing_definitions": "",
         "operations": {
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormData/bodyformdata/_vendor.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormData/bodyformdata/_vendor.py
deleted file mode 100644
index 0af9b28f660..00000000000
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormData/bodyformdata/_vendor.py
+++ /dev/null
@@ -1,6 +0,0 @@
-# --------------------------------------------------------------------------
-# Copyright (c) Microsoft Corporation. All rights reserved.
-# Licensed under the MIT License. See License.txt in the project root for license information.
-# Code generated by Microsoft (R) AutoRest Code Generator.
-# Changes may cause incorrect behavior and will be lost if the code is regenerated.
-# --------------------------------------------------------------------------
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/_vendor.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/_vendor.py
deleted file mode 100644
index 0af9b28f660..00000000000
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/_vendor.py
+++ /dev/null
@@ -1,6 +0,0 @@
-# --------------------------------------------------------------------------
-# Copyright (c) Microsoft Corporation. All rights reserved.
-# Licensed under the MIT License. See License.txt in the project root for license information.
-# Code generated by Microsoft (R) AutoRest Code Generator.
-# Changes may cause incorrect behavior and will be lost if the code is regenerated.
-# --------------------------------------------------------------------------
diff --git a/packages/typespec-python/package.json b/packages/typespec-python/package.json
index 8bacb52459d..863407fd4a0 100644
--- a/packages/typespec-python/package.json
+++ b/packages/typespec-python/package.json
@@ -60,7 +60,7 @@
     "js-yaml": "~4.1.0",
     "semver": "~7.6.2",
     "tsx": "~4.19.1",
-    "@typespec/http-client-python": "~0.5.1",
+    "@typespec/http-client-python": "~0.6.0",
     "fs-extra": "~11.2.0"
   },
   "devDependencies": {
diff --git a/packages/typespec-python/scripts/eng/regenerate.ts b/packages/typespec-python/scripts/eng/regenerate.ts
index 8538b25abc6..f890d59c0f9 100644
--- a/packages/typespec-python/scripts/eng/regenerate.ts
+++ b/packages/typespec-python/scripts/eng/regenerate.ts
@@ -104,7 +104,9 @@ const EMITTER_OPTIONS: Record<string, Record<string, string> | Record<string, st
     "client/structure/two-operation-group": {
         "package-name": "client-structure-twooperationgroup",
     },
-    "mgmt/sphere": [{ "package-name": "azure-mgmt-spheredpg" }],
+    "client/namespace": {
+        "enable-typespec-namespace": "true",
+    },
 };
 
 function toPosix(dir: string): string {
@@ -236,6 +238,9 @@ function addOptions(spec: string, generatedFolder: string, flags: RegenerateFlag
             options["company-name"] = "Unbranded";
         }
         options["examples-dir"] = toPosix(join(dirname(spec), "examples"));
+        if (options["enable-typespec-namespace"] === undefined) {
+            options["enable-typespec-namespace"] = "false";
+        }
         const configs = Object.entries(options).flatMap(([k, v]) => {
             return `--option @azure-tools/typespec-python.${k}=${v}`;
         });
diff --git a/packages/typespec-python/src/lib.ts b/packages/typespec-python/src/lib.ts
index 6704db56e58..1984ed65d27 100644
--- a/packages/typespec-python/src/lib.ts
+++ b/packages/typespec-python/src/lib.ts
@@ -17,6 +17,9 @@ export interface PythonEmitterOptions {
     "debug"?: boolean;
     "flavor"?: "azure";
     "examples-dir"?: string;
+    // If true, package namespace will respect the typespec namespace. Otherwise,
+    // package namespace is always aligned with package name.
+    "enable-typespec-namespace"?: boolean;
 }
 
 export interface PythonSdkContext<TServiceOperation extends SdkServiceOperation>
@@ -43,6 +46,7 @@ const EmitterOptionsSchema: JSONSchemaType<PythonEmitterOptions> = {
         "debug": { type: "boolean", nullable: true },
         "flavor": { type: "string", nullable: true },
         "examples-dir": { type: "string", nullable: true, format: "absolute-path" },
+        "enable-typespec-namespace": { type: "boolean", nullable: true },
     },
     required: [],
 };
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7fb67ea42a3..16907db2b22 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -54,8 +54,8 @@ importers:
         specifier: ~1.0.2
         version: 1.0.2
       '@typespec/http-client-python':
-        specifier: ~0.5.1
-        version: 0.5.1(qlnncdzlvp4megu6e6j34u5d6q)
+        specifier: ~0.6.0
+        version: 0.6.0(qlnncdzlvp4megu6e6j34u5d6q)
       fs-extra:
         specifier: ~11.2.0
         version: 11.2.0
@@ -76,8 +76,8 @@ importers:
   packages/typespec-python:
     dependencies:
       '@typespec/http-client-python':
-        specifier: ~0.5.1
-        version: 0.5.1(qlnncdzlvp4megu6e6j34u5d6q)
+        specifier: ~0.6.0
+        version: 0.6.0(qlnncdzlvp4megu6e6j34u5d6q)
       fs-extra:
         specifier: ~11.2.0
         version: 11.2.0
@@ -1202,8 +1202,8 @@ packages:
     engines: {node: '>=18.0.0'}
     hasBin: true
 
-  '@typespec/http-client-python@0.5.1':
-    resolution: {integrity: sha512-sW2mCijg1vEVJQF6Sa9eBMJoRCsoq+/oMqs5BLpGc4cDEhO6fZ2kCGJFcZMocnmZ4gw3BjbVpHrokvt0d96jHg==}
+  '@typespec/http-client-python@0.6.0':
+    resolution: {integrity: sha512-BLvxs+p+w2lmzDrHz8mGQiH6Ko0BzogsDKbKLGG8AurK1cFb6nS/SOOeqOPx19GqdTynt9YfJNKD2rkNDoK9tQ==}
     engines: {node: '>=18.0.0'}
     peerDependencies:
       '@azure-tools/typespec-autorest': '>=0.49.0 <1.0.0'
@@ -4868,7 +4868,7 @@ snapshots:
       yaml: 2.5.1
       yargs: 17.7.2
 
-  '@typespec/http-client-python@0.5.1(qlnncdzlvp4megu6e6j34u5d6q)':
+  '@typespec/http-client-python@0.6.0(qlnncdzlvp4megu6e6j34u5d6q)':
     dependencies:
       '@azure-tools/typespec-autorest': 0.49.0(nwofiqdfkiaeq4xrrk3jkqf6au)
       '@azure-tools/typespec-azure-core': 0.49.0(@typespec/compiler@0.63.0)(@typespec/http@0.63.0(@typespec/compiler@0.63.0))(@typespec/rest@0.63.0(@typespec/compiler@0.63.0)(@typespec/http@0.63.0(@typespec/compiler@0.63.0)))