runtime error

Exit code: 1. Reason: /usr/local/lib/python3.10/site-packages/langgraph/store/base/embed.py:95: LangChainBetaWarning: The function `init_embeddings` is in beta. It is actively being worked on, so the API may change. return init_embeddings(embed) Traceback (most recent call last): File "/home/user/app/app.py", line 14, in <module> from tools import weather_info_tool, hub_stats_tool, duckduckgo_search_tool File "/home/user/app/tools.py", line 12, in <module> store = InMemoryStore(index={"embed": "openai:text-embedding-3-small"}) File "/usr/local/lib/python3.10/site-packages/langgraph/store/memory/__init__.py", line 191, in __init__ self.embeddings: Optional[Embeddings] = ensure_embeddings( File "/usr/local/lib/python3.10/site-packages/langgraph/store/base/embed.py", line 95, in ensure_embeddings return init_embeddings(embed) File "/usr/local/lib/python3.10/site-packages/langchain_core/_api/beta_decorator.py", line 110, in warning_emitting_wrapper return wrapped(*args, **kwargs) File "/usr/local/lib/python3.10/site-packages/langchain/embeddings/base.py", line 188, in init_embeddings return OpenAIEmbeddings(model=model_name, **kwargs) File "/usr/local/lib/python3.10/site-packages/pydantic/main.py", line 253, in __init__ validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self) File "/usr/local/lib/python3.10/site-packages/langchain_openai/embeddings/base.py", line 326, in validate_environment self.client = openai.OpenAI(**client_params, **sync_specific).embeddings # type: ignore[arg-type] File "/usr/local/lib/python3.10/site-packages/openai/_client.py", line 116, in __init__ raise OpenAIError( openai.OpenAIError: The api_key client option must be set either by passing api_key to the client or by setting the OPENAI_API_KEY environment variable

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