Fix streaming functionality with Bedrock guardrails (#176) #177
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langchain-ai#177) This PR addresses an issue where the streaming functionality in ChatBedrock breaks when Bedrock guardrails are applied. The problem was caused by a KeyError in the `_stream_response_to_generation_chunk` method when trying to access the 'stop_sequence' key, which may not always be present in the response structure when guardrails are active. ## Changes - Modified the `_stream_response_to_generation_chunk` method in `llms/bedrock.py` to use the `get()` method when accessing dictionary keys that may not always be present. ## Testing - Tested the streaming functionality with and without Bedrock guardrails applied. - Verified that the streaming works correctly in both scenarios without raising KeyErrors.
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…ardrails (#176) (#231) This PR addresses an issue where the streaming functionality in ChatBedrock breaks when Bedrock guardrails are applied. The problem was caused by a KeyError in the `_stream_response_to_generation_chunk` method when trying to access the 'stop_sequence' key, which may not always be present in the response structure when guardrails are active. ## Changes - Modified the `_stream_response_to_generation_chunk` method in `llms/bedrock.py` to use the `get()` method when accessing dictionary keys that may not always be present. ## Testing - Tested the streaming functionality with and without Bedrock guardrails applied. - Verified that the streaming works correctly in both scenarios without raising KeyErrors.
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This PR addresses an issue where the streaming functionality in ChatBedrock breaks when Bedrock guardrails are applied. The problem was caused by a KeyError in the
_stream_response_to_generation_chunkmethod when trying to access the 'stop_sequence' key, which may not always be present in the response structure when guardrails are active.Changes
_stream_response_to_generation_chunkmethod inllms/bedrock.pyto use theget()method when accessing dictionary keys that may not always be present.Testing