Hmm, you have pylance installed which should be offering the lance package. What happens if you run python -c "import lance"? Here's my log from your reproduction steps (no errors): ...

Python is a general-purpose programming language that does not have native support for vectorized operations. However, you can use external libraries and modules that provide vectorized ...

Has input data for training. Has 50 songs. Each document/song is in a single line. python vector.py This generates onlyVectors.txt where vectors for each document are generated. -> [optional] ...