diff --git a/packages/abstractions/kiota_abstractions/serialization/parsable_factory.py b/packages/abstractions/kiota_abstractions/serialization/parsable_factory.py
index 4e5694f..81be436 100644
--- a/packages/abstractions/kiota_abstractions/serialization/parsable_factory.py
+++ b/packages/abstractions/kiota_abstractions/serialization/parsable_factory.py
@@ -6,6 +6,7 @@
 
 U = TypeVar("U", bound=Parsable)
 
+
 class ParsableFactory(Parsable, Generic[U]):
     """Defines the factory for creating parsable objects.
     """
diff --git a/packages/http/httpx/kiota_http/httpx_request_adapter.py b/packages/http/httpx/kiota_http/httpx_request_adapter.py
index 1b8972b..dad1162 100644
--- a/packages/http/httpx/kiota_http/httpx_request_adapter.py
+++ b/packages/http/httpx/kiota_http/httpx_request_adapter.py
@@ -232,7 +232,9 @@ async def send_collection_async(
             )
             root_node = await self.get_root_parse_node(response, parent_span, parent_span)
             if root_node:
-                result:List[ModelType]  = root_node.get_collection_of_object_values(parsable_factory)
+                result: List[ModelType] = root_node.get_collection_of_object_values(
+                    parsable_factory
+                )
                 parent_span.set_attribute(DESERIALIZED_MODEL_NAME_KEY, result.__class__.__name__)
                 _deserialized_span.end()
                 return result
@@ -282,7 +284,7 @@ async def send_collection_of_primitive_async(
                 values = root_node.get_collection_of_primitive_values(response_type)
                 parent_span.set_attribute(DESERIALIZED_MODEL_NAME_KEY, values.__class__.__name__)
                 _deserialized_span.end()
-                return values # type: ignore
+                return values  # type: ignore
             return None
         finally:
             parent_span.end()
@@ -322,7 +324,7 @@ async def send_primitive_async(
             if self._should_return_none(response):
                 return None
             if response_type == "bytes":
-                return response.content # type: ignore
+                return response.content  # type: ignore
             _deserialized_span = self._start_local_tracing_span("get_root_parse_node", parent_span)
             root_node = await self.get_root_parse_node(response, parent_span, parent_span)
             if not root_node:
@@ -341,7 +343,7 @@ async def send_primitive_async(
             if value is not None:
                 parent_span.set_attribute(DESERIALIZED_MODEL_NAME_KEY, value.__class__.__name__)
                 _deserialized_span.end()
-                return value # type: ignore
+                return value  # type: ignore
 
             exc = TypeError(f"Error handling the response, unexpected type {response_type!r}")
             parent_span.record_exception(exc)
@@ -484,6 +486,7 @@ async def throw_failed_responses(
 
             if not root_node:
                 return None
+            error = None
             if error_class:
                 error = root_node.get_object_value(error_class)
             if isinstance(error, APIError):