fix(azure): handle None types in streaming tool aggregation #7185
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Added guard clauses to check for None values in tool_call_chunk attributes (id, function.name, function.arguments) before concatenation. This prevents TypeError when Azure AI services return incomplete chunks during streaming. Fixes microsoft#7157
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Summary
Fixes #7157 where
AzureAIChatCompletionClientraisesTypeErrorduring streaming tool calls if chunks containNonefields.Changes
Added
if is not Nonechecks in the tool call aggregation loop in_azure_ai_client.py:tool_call_chunk.idtool_call_chunk.function.nametool_call_chunk.function.argumentsVerification
The fix implements standard guard clauses similar to the OpenAI client implementation. This ensures partial updates (which may have None fields) are handled gracefully.