Python: fix: use getattr for non-OpenAI provider response compatibility

python/packages/openai/agent_framework_openai/_chat_client.py

@@ -1971,7 +1971,8 @@ def _parse_response_from_openai(
         metadata: dict[str, Any] = response.metadata or {}
         contents: list[Content] = []
         local_shell_tool_name = self._get_local_shell_tool_name(options.get("tools"))
-        for item in response.output:  # type: ignore[reportUnknownMemberType]
+        response_outputs = cast(list[Any], getattr(response, "output", None) or [])
+        for item in response_outputs:
             match item.type:
                 # types:
                 # ParsedResponseOutputMessage[Unknown] |

python/packages/openai/agent_framework_openai/_chat_completion_client.py

@@ -788,13 +788,13 @@ def _parse_text_from_openai(self, choice: Choice | ChunkChoice) -> Content | Non
     def _get_metadata_from_chat_response(self, response: ChatCompletion) -> dict[str, Any]:
         """Get metadata from a chat response."""
         return {
-            "system_fingerprint": response.system_fingerprint,
+            "system_fingerprint": getattr(response, "system_fingerprint", None),
         }
 
     def _get_metadata_from_streaming_chat_response(self, response: ChatCompletionChunk) -> dict[str, Any]:
         """Get metadata from a streaming chat response."""
         return {
-            "system_fingerprint": response.system_fingerprint,
+            "system_fingerprint": getattr(response, "system_fingerprint", None),
         }
 
     def _get_metadata_from_chat_choice(self, choice: Choice | ChunkChoice) -> dict[str, Any]: