"IndentationError: unexpected indent" means a line starts with extra spaces or tabs Python did not expect. Learn how to find the offending line, fix mixed tabs and spaces, configure your editor, and auto-format the file with Black.

Fix "ModuleNotFoundError: No module named" in a Python venv. The usual cause is installing to a different Python than the one running. Use python -m pip and activate.

Fix pip's "Could not find a version that satisfies the requirement" error. Covers typos in the package name, Python and pip version mismatches, proxy and network issues, and virtual environments.