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葛尧 e780433f6b Fix token_usage None issue in ChatOpenAI with local Chatglm2-6B (#14493) ... When using local Chatglm2-6B by changing OPENAI_BASE_URL to localhost, the token_usage in ChatOpenAI becomes None. This leads to an AttributeError when trying to access token_usage.items(). This commit adds a check to ensure token_usage is not None before accessing its items. This change prevents the AttributeError and allows ChatOpenAI to work seamlessly with a local Chatglm2-6B model, aligning with the way it operates with the OpenAI API. <!-- Thank you for contributing to LangChain! Replace this entire comment with: - **Description:** a description of the change, - **Issue:** the issue # it fixes (if applicable), - **Dependencies:** any dependencies required for this change, - **Tag maintainer:** for a quicker response, tag the relevant maintainer (see below), - **Twitter handle:** we announce bigger features on Twitter. If your PR gets announced, and you'd like a mention, we'll gladly shout you out! Please make sure your PR is passing linting and testing before submitting. Run `make format`, `make lint` and `make test` to check this locally. See contribution guidelines for more information on how to write/run tests, lint, etc: https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md If you're adding a new integration, please include: 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/extras` directory. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @eyurtsev, @hwchase17. --> Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>		9 months ago
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__init__.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
anthropic.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
anyscale.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
azure_openai.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
azureml_endpoint.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
baichuan.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
baidu_qianfan_endpoint.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
bedrock.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
cohere.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
databricks.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
ernie.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
everlyai.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
fake.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
fireworks.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
gigachat.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
google_palm.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
human.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
hunyuan.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
javelin_ai_gateway.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
jinachat.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
konko.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
litellm.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
meta.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
minimax.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
mlflow.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
mlflow_ai_gateway.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
ollama.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
openai.py	Fix token_usage None issue in ChatOpenAI with local Chatglm2-6B (#14493)	9 months ago
pai_eas_endpoint.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
promptlayer_openai.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
tongyi.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
vertexai.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
volcengine_maas.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago
yandex.py	community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)	9 months ago