Update how guidance handle error when missing params for the handlebar (

#14)

app/services/guidance_wrapper.py

@@ -27,6 +27,7 @@ def query(self) -> Content:
             Text content object with LLM's response.
 
         Raises:
+            Reraises exception from guidance package
             ValueError: if handlebars do not generate 'response'
         """
 
@@ -36,6 +37,9 @@ def query(self) -> Content:
             **self.parameters,
         )
 
+        if isinstance(result._exception, Exception):
+            raise result._exception
+
         if "response" not in result:
             raise ValueError("The handlebars do not generate 'response'")
 

tests/services/guidance_wrapper_test.py

@@ -34,9 +34,6 @@ def test_query_success(mocker):
     assert result.text_content == "the output"
 
 
-@pytest.mark.skip(
-    reason="This tests library behavior changed by Guidance version bump"
-)
 def test_query_missing_required_params(mocker):
     mocker.patch.object(
         GuidanceWrapper,
@@ -55,14 +52,11 @@ def test_query_missing_required_params(mocker):
     )
 
     with pytest.raises(KeyError, match="Command/variable 'query' not found!"):
-        # try:
         result = guidance_wrapper.query()
 
         assert isinstance(result, Content)
         assert result.type == ContentType.TEXT
         assert result.text_content == "the output"
-    # except Exception as e:
-    #     pass
 
 
 def test_query_handlebars_not_generate_response(mocker):