Make sure to have these libraries installed before running code files:
pip install requests
pip install html5lib
pip install bs4
pip install selenium
pip install "langchain==0.0.304"
pip install wget
pip install sentence-transformers
pip install "ibm-watson-machine-learning>=1.0.320"
pip install ibm-watsonx-ai
pip install pydantic==1.10.8
pip install streamlit
pip install langchain-huggingface
pip install psycopg2
pip install pgvector