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community[patch]: callback before yield for _stream/_astream #17907
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mackong
commented
Feb 22, 2024
- Description: callback on_llm_new_token before yield chunk for _stream/_astream for some chat models, make all chat models in a consistent behaviour.
- Issue: N/A
- Dependencies: N/A
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fixes #16913 |
baskaryan
approved these changes
Feb 23, 2024
eyurtsev
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Feb 23, 2024
… attribute 'text' (#18006) After upgrading langchain-community to 0.0.22, it's not possible to use openai from the community package with streaming=True ``` File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_community/chat_models/openai.py", line 434, in _generate return generate_from_stream(stream_iter) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_core/language_models/chat_models.py", line 65, in generate_from_stream for chunk in stream: File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_community/chat_models/openai.py", line 418, in _stream run_manager.on_llm_new_token(chunk.text, chunk=cg_chunk) ^^^^^^^^^^ AttributeError: 'AIMessageChunk' object has no attribute 'text' ``` Fix regression of #17907 **Twitter handle:** @nicoloboschi
k8si
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to Mozilla-Ocho/langchain
that referenced
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Feb 23, 2024
…in-ai#17907) - Description: callback on_llm_new_token before yield chunk for _stream/_astream for some chat models, make all chat models in a consistent behaviour. - Issue: N/A - Dependencies: N/A
k8si
pushed a commit
to Mozilla-Ocho/langchain
that referenced
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Feb 23, 2024
… attribute 'text' (langchain-ai#18006) After upgrading langchain-community to 0.0.22, it's not possible to use openai from the community package with streaming=True ``` File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_community/chat_models/openai.py", line 434, in _generate return generate_from_stream(stream_iter) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_core/language_models/chat_models.py", line 65, in generate_from_stream for chunk in stream: File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_community/chat_models/openai.py", line 418, in _stream run_manager.on_llm_new_token(chunk.text, chunk=cg_chunk) ^^^^^^^^^^ AttributeError: 'AIMessageChunk' object has no attribute 'text' ``` Fix regression of langchain-ai#17907 **Twitter handle:** @nicoloboschi
al1p
pushed a commit
to al1p/langchain
that referenced
this pull request
Feb 27, 2024
…in-ai#17907) - Description: callback on_llm_new_token before yield chunk for _stream/_astream for some chat models, make all chat models in a consistent behaviour. - Issue: N/A - Dependencies: N/A
al1p
pushed a commit
to al1p/langchain
that referenced
this pull request
Feb 27, 2024
… attribute 'text' (langchain-ai#18006) After upgrading langchain-community to 0.0.22, it's not possible to use openai from the community package with streaming=True ``` File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_community/chat_models/openai.py", line 434, in _generate return generate_from_stream(stream_iter) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_core/language_models/chat_models.py", line 65, in generate_from_stream for chunk in stream: File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_community/chat_models/openai.py", line 418, in _stream run_manager.on_llm_new_token(chunk.text, chunk=cg_chunk) ^^^^^^^^^^ AttributeError: 'AIMessageChunk' object has no attribute 'text' ``` Fix regression of langchain-ai#17907 **Twitter handle:** @nicoloboschi
haydeniw
pushed a commit
to haydeniw/langchain
that referenced
this pull request
Feb 27, 2024
…in-ai#17907) - Description: callback on_llm_new_token before yield chunk for _stream/_astream for some chat models, make all chat models in a consistent behaviour. - Issue: N/A - Dependencies: N/A
haydeniw
pushed a commit
to haydeniw/langchain
that referenced
this pull request
Feb 27, 2024
… attribute 'text' (langchain-ai#18006) After upgrading langchain-community to 0.0.22, it's not possible to use openai from the community package with streaming=True ``` File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_community/chat_models/openai.py", line 434, in _generate return generate_from_stream(stream_iter) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_core/language_models/chat_models.py", line 65, in generate_from_stream for chunk in stream: File "/home/runner/work/ragstack-ai/ragstack-ai/ragstack-e2e-tests/.tox/langchain/lib/python3.11/site-packages/langchain_community/chat_models/openai.py", line 418, in _stream run_manager.on_llm_new_token(chunk.text, chunk=cg_chunk) ^^^^^^^^^^ AttributeError: 'AIMessageChunk' object has no attribute 'text' ``` Fix regression of langchain-ai#17907 **Twitter handle:** @nicoloboschi
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Labels
🔌: anthropic
Primarily related to Anthropic integrations
🤖:improvement
Medium size change to existing code to handle new use-cases
lgtm
PR looks good. Use to confirm that a PR is ready for merging.
Ɑ: models
Related to LLMs or chat model modules
size:L
This PR changes 100-499 lines, ignoring generated files.
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