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fix(azure): handle None values in streaming tool_calls #7178

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fix(azure): handle None values in streaming tool_calls #7178

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13 changes: 9 additions & 4 deletions python/packages/autogen-ext/src/autogen_ext/models/azure/_azure_ai_client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -543,13 +543,18 @@ async def create_stream(
if "index" in tool_call_chunk:
idx = tool_call_chunk["index"]
else:
idx = tool_call_chunk.id
idx = tool_call_chunk.id if tool_call_chunk.id is not None else 0
if idx not in full_tool_calls:
full_tool_calls[idx] = FunctionCall(id="", arguments="", name="")

full_tool_calls[idx].id += tool_call_chunk.id
full_tool_calls[idx].name += tool_call_chunk.function.name
full_tool_calls[idx].arguments += tool_call_chunk.function.arguments
# Handle None values in streaming deltas (similar to OpenAI client)
if tool_call_chunk.id is not None:
full_tool_calls[idx].id += tool_call_chunk.id
if tool_call_chunk.function is not None:
if tool_call_chunk.function.name is not None:
full_tool_calls[idx].name += tool_call_chunk.function.name
if tool_call_chunk.function.arguments is not None:
full_tool_calls[idx].arguments += tool_call_chunk.function.arguments

if chunk and chunk.usage:
prompt_tokens = chunk.usage.prompt_tokens
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