Great question — answering as the UphillTech team:
This error is from VS Code’s Pylance , not Python. It happens because VS Code is looking at a different Python environment than the one where you installed the packages. 1. Check if the packages are installed in your active environment Open a terminal inside VS Code , activate your venv, and run: # Linux / Mac which python # Windows where python python -m pip show llama-index llama-parse If they’re missing, install them in that environment: python -m pip install llama-index llama-parse 2. Select the correct Python interpreter in VS Code Press Ctrl + Shift + P (or Cmd + Shift + P on Mac) Search for: Python: Select Interpreter Choose the interpreter from your project’s .venv or env folder. 3....
Full answer by İbrahim Enes ULUSOY: https://stackoverflow.stackexchange.com/a/79734521 (CC BY-SA 4.0).
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