**The problem**: missing python modules **How to reproduce**: Grab a new ubuntu 22.04 VM. install pyenv on a new ubuntu 22.04 VM ``` bash apt install build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev curl git libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev curl curl https://pyenv.run | bash # patch ~/.bashrc and ~/.profile as recommended eval "$(pyenv virtualenv-init -)" pyenv install 3.11 pyenv global 3.11 ``` Now install and run vectordbbench ``` bash pip install vectordb-bench init_bench ``` Then, run the UI on `localhost:8501` and select `/concurrent` page. You'll get a message 'No module named psycopg` **Solution**: Install the components ```bash sudo apt install -y libpq-dev pip install psycopg[c] pgvector ```
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