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Shuai Liu 4b53440e70 Upgrades the Tongyi LLM and ChatTongyi Model (#14793) ... - **Description:** fixes and upgrades for the Tongyi LLM and ChatTongyi Model - Fixed typos; it should be `Tongyi`, not `OpenAI`. - Fixed a bug in `stream_generate_with_retry`; it's a real stream generator now. - Fixed a bug in `validate_environment`; the `dashscope_api_key` should be properly handled when set by environment variables or initialization parameters. - Changed the `dashscope` response to incremental output by setting the parameter `incremental_output`, which eliminates the need for the prefix-removal trick. - Removed some unused parameters, like `n`, `prefix_messages`. - Added `_stream` method. - Added async methods support, such as `_astream`, `_agenerate`, `_abatch`. - **Dependencies:** No new dependencies. - **Tag maintainer:** @hwchase17 > PS: Some may be confused about the terms `dashscope`, `tongyi`, and `Qwen`: > - `dashscope`: A platform to deploy LLMs and provide APIs to invoke the LLM. > - `tongyi`: A brand name or overall term about Alibaba Cloud's LLM/AI. > - `Qwen`: An LLM that is open-sourced and deployed in `dashscope`. > > We use the `dashscope` SDK to interact with the `tongyi`-`Qwen` LLM. --------- Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>		9 months ago
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adapters	community[patch]: Add safe lookup to OpenAI response adapter (#14765)	10 months ago
agent_toolkits	docs: docstrings `langchain_community` update (#14889)	10 months ago
callbacks	core, community: propagate context between threads (#15171)	9 months ago
chat_loaders	community[patch]: Enhance iMessage chat loader with timestamp parsing and message ownership (#14804)	10 months ago
chat_message_histories	[community]: Elasticsearch chat history encoding (#15055)	10 months ago
chat_models	Upgrades the Tongyi LLM and ChatTongyi Model (#14793)	9 months ago
docstore	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	10 months ago
document_loaders	community: correct spelling mistakes of "Suffle" and "reporoducibility" (#15172)	9 months ago
document_transformers	community: Make doctran synchronous (#15264)	9 months ago
embeddings	fix: correct spelling mistakes of "seperate, intialise, pre-defined" (#14647)	10 months ago
graphs	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	10 months ago
indexes	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	10 months ago
llms	Upgrades the Tongyi LLM and ChatTongyi Model (#14793)	9 months ago
retrievers	Don't reassign chunk_type (#14923)	10 months ago
storage	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	10 months ago
tools	Fix: Use `Union` instead of `|` to improve compatibility, fix #15244 (#15245)	9 months ago
utilities	community: Enhance Github error prompt (#15248)	9 months ago
utils	docs: docstrings `langchain_community` update (#14889)	10 months ago
vectorstores	refactor: enable connection pool usage in PGVector (#11514)	9 months ago
__init__.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	10 months ago
cache.py	community[patch]: Fixed issue with importing Row from sqlalchemy (#14488)	10 months ago
py.typed	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	10 months ago