runtime error

Traceback (most recent call last): File "/home/user/app/app.py", line 7, in <module> from llama_index.llms import OpenAI File "/usr/local/lib/python3.10/site-packages/llama_index/__init__.py", line 12, in <module> from llama_index.data_structs.struct_type import IndexStructType File "/usr/local/lib/python3.10/site-packages/llama_index/data_structs/__init__.py", line 3, in <module> from llama_index.data_structs.data_structs import ( File "/usr/local/lib/python3.10/site-packages/llama_index/data_structs/data_structs.py", line 14, in <module> from llama_index.schema import BaseNode, TextNode File "/usr/local/lib/python3.10/site-packages/llama_index/schema.py", line 9, in <module> from llama_index.bridge.langchain import Document as LCDocument File "/usr/local/lib/python3.10/site-packages/llama_index/bridge/langchain.py", line 4, in <module> from langchain.llms import BaseLLM, FakeListLLM, OpenAI, AI21, Cohere File "/usr/local/lib/python3.10/site-packages/langchain/llms/__init__.py", line 545, in __getattr__ from langchain_community import llms ModuleNotFoundError: No module named 'langchain_community'

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