runtime error

Exit code: 1. Reason: /home/user/app/app.py:8: LangChainDeprecationWarning: Importing OpenAIEmbeddings from langchain.embeddings is deprecated. Please replace deprecated imports: >> from langchain.embeddings import OpenAIEmbeddings with new imports of: >> from langchain_community.embeddings import OpenAIEmbeddings You can use the langchain cli to **automatically** upgrade many imports. Please see documentation here <https://python.langchain.com/docs/versions/v0_2/> from langchain.embeddings import OpenAIEmbeddings /home/user/app/app.py:9: LangChainDeprecationWarning: Importing Chroma from langchain.vectorstores is deprecated. Please replace deprecated imports: >> from langchain.vectorstores import Chroma with new imports of: >> from langchain_community.vectorstores import Chroma You can use the langchain cli to **automatically** upgrade many imports. Please see documentation here <https://python.langchain.com/docs/versions/v0_2/> from langchain.vectorstores import Chroma /home/user/app/app.py:10: LangChainDeprecationWarning: Importing PyPDFLoader from langchain.document_loaders is deprecated. Please replace deprecated imports: >> from langchain.document_loaders import PyPDFLoader with new imports of: >> from langchain_community.document_loaders import PyPDFLoader You can use the langchain cli to **automatically** upgrade many imports. Please see documentation here <https://python.langchain.com/docs/versions/v0_2/> from langchain.document_loaders import PyPDFLoader Traceback (most recent call last): File "/home/user/app/app.py", line 88, in <module> main() File "/home/user/app/app.py", line 84, in main init_chromadb() File "/home/user/app/app.py", line 53, in init_chromadb vectorstore = Chroma.from_documents(texts, embeddings, persist_directory=DB_DIR) NameError: name 'embeddings' is not defined

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