runtime error

2024-06-14 17:47:29 - Created default config file at /home/user/app/.chainlit/config.toml 2024-06-14 17:47:29 - Created default translation directory at /home/user/app/.chainlit/translations 2024-06-14 17:47:29 - Created default translation file at /home/user/app/.chainlit/translations/en-US.json Traceback (most recent call last): File "/home/user/app/app.py", line 15, in <module> underlying_embeddings = OpenAIEmbeddings(api_key=openai_api_key) File "pydantic/main.py", line 341, in pydantic.main.BaseModel.__init__ pydantic.error_wrappers.ValidationError: 1 validation error for OpenAIEmbeddings __root__ Did not find openai_api_key, please add an environment variable `OPENAI_API_KEY` which contains it, or pass `openai_api_key` as a named parameter. (type=value_error)

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