}

Articles tagged "pip"

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8 min readBeginner

uv: The Python Package Manager That Replaces pip, pyenv, and Poetry (2026)

uv replaces pip, pyenv, virtualenv, poetry, and pipx in one Rust-powered tool. 10-100x faster than pip. Complete tutorial: install, manage Python versions, lock files, CI/CD, PEP 723 scripts.

4 min readBeginner

SOLVED: error: pg_config executable not found (psycopg2 pip install)

Fix "error: pg_config executable not found" when pip install psycopg2 fails. Install postgresql-dev headers or use psycopg2-binary instead.

4 min readBeginner

Fix Python ModuleNotFoundError: No module named 'X' (2026)

Fix Python ModuleNotFoundError: No module named 'X'. Covers pip install, wrong Python version, venv not activated, sys.path debugging, and import name differences.

1 min readBeginner

SOLUTION: ValueError: bad marshal data (unknown type code)

If while doing a python setup.py install you got the error

1 min readBeginner

error: Not a recognized archive type: Twisted tar.bz2

The error

2 min readBeginner

pip: six issue when installing package

If you are using macOS and you get a permission denied while installing with pip install six, then you could try to execute: pip install --ignore-installed six. check our solution for more details.

1 min readIntermediate

Install pip Dependency from GitHub in setup.py

Steps to install a python dependency from git in the setup.py using dependency_links. Make sure the user is using this format: git+https://github.com/user/repo.git#egg=project_name . Check here for more details.

1 min readIntermediate

Pip: No Matching Distribution for Twisted/Pillow

When you try to install Twisted you could get the error: "No matching distribution found for Twisted". One couse could be that you python is missing some extension, like bz2. You will need to change your pytohn interpreter or recompile it.

1 min readBeginner

pip install error: locale.Error: unsupported locale setting

When you install a apackage with pip and you get the error: locale.Error: unsupported locale setting, try to set the locale like this: export LC_ALL=C. Check out full solution here!

1 min readIntermediate

Python: pip is broken. _internal module cannot be imported

The error is common after you execute "pip install pip -U" and you will see the error "ImportError: No module named _internal" everytime you execute "pip". One solution is to change the import on the pip file: **from pip import main**, change that line with **from pip._internal import main**. Check here for alternative solutions to this error.