genai: chore for changing mypy settings

libs/genai/langchain_google_genai/_function_utils.py

@@ -147,7 +147,7 @@ def convert_to_genai_function_declarations(
     tools: Sequence[_ToolsType],
 ) -> gapic.Tool:
     if not isinstance(tools, collections.abc.Sequence):
-        logger.warning(
+        logger.warning(  # type: ignore[unreachable]
             "convert_to_genai_function_declarations expects a Sequence "
             "and not a single tool."
         )

libs/genai/langchain_google_genai/_genai_extension.py

@@ -21,7 +21,7 @@
 from google.api_core import client_options as client_options_lib
 from google.api_core import exceptions as gapi_exception
 from google.api_core import gapic_v1
-from google.auth import credentials, exceptions  # type: ignore
+from google.auth import credentials, exceptions
 from google.protobuf import timestamp_pb2
 
 _logger = logging.getLogger(__name__)

libs/genai/langchain_google_genai/chat_models.py

@@ -214,7 +214,7 @@ async def _achat_with_retry(generation_method: Callable, **kwargs: Any) -> Any:
         Any: The result from the chat generation method.
     """
     retry_decorator = _create_retry_decorator()
-    from google.api_core.exceptions import InvalidArgument  # type: ignore
+    from google.api_core.exceptions import InvalidArgument
 
     @retry_decorator
     async def _achat_with_retry(**kwargs: Any) -> Any:
@@ -1232,9 +1232,7 @@ def bind_tools(
         genai_tools = [tool_to_dict(convert_to_genai_function_declarations(tools))]
         if tool_choice:
             all_names = [
-                f["name"]  # type: ignore[index]
-                for t in genai_tools
-                for f in t["function_declarations"]
+                f["name"] for t in genai_tools for f in t["function_declarations"]
             ]
             tool_config = _tool_choice_to_tool_config(tool_choice, all_names)
         return self.bind(tools=genai_tools, tool_config=tool_config, **kwargs)
@@ -1248,4 +1246,4 @@ def _get_tool_name(
     tool: Union[ToolDict, GoogleTool],
 ) -> str:
     genai_tool = tool_to_dict(convert_to_genai_function_declarations([tool]))
-    return [f["name"] for f in genai_tool["function_declarations"]][0]  # type: ignore[index]
+    return [f["name"] for f in genai_tool["function_declarations"]][0]

libs/genai/tests/unit_tests/test_function_utils.py

@@ -37,7 +37,7 @@ def sum_two_numbers(a: float, b: float) -> str:
         """
         return str(a + b)
 
-    schema = convert_to_genai_function_declarations([sum_two_numbers])  # type: ignore
+    schema = convert_to_genai_function_declarations([sum_two_numbers])
     function_declaration = schema.function_declarations[0]
     assert function_declaration.name == "sum_two_numbers"
     assert function_declaration.parameters
@@ -48,7 +48,7 @@ def do_something_optional(a: float, b: float = 0) -> str:
         """Some description"""
         return str(a + b)
 
-    schema = convert_to_genai_function_declarations([do_something_optional])  # type: ignore
+    schema = convert_to_genai_function_declarations([do_something_optional])
     function_declaration = schema.function_declarations[0]
     assert function_declaration.name == "do_something_optional"
     assert function_declaration.parameters