Version - .python

What you are using (Windows, macOS, Linux). If you are using a manager like pyenv , conda , or uv . The exact error message you're seeing. What's New In Python 3.13 — Python 3.14.4 documentation

This guide explores what the .python-version file is, how it works, and how to use it to automate your development workflow. What is a .python-version File?

Integrating .python-version into your team's workflow prevents the classic "it works on my machine" dilemma. Commit to Version Control .python version

Each minor version added something weird, wonderful, or wildly useful:

I can provide the exact command scripts to integrate this file seamlessly into your current daily development pipeline. Share public link What you are using (Windows, macOS, Linux)

/ mamba – Good for data science stacks, but heavier.

: Code runs directly without a separate compilation step and is compatible across Windows, macOS, and Linux [5.4]. What's New In Python 3

pip install pyenv-win --target $HOME\pyenv-win

When you navigate into a directory containing this file using a terminal, ecosystem tools scan for it. If found, they swap your terminal's runtime context to that specific Python interpreter without requiring you to manually run scripts like source .venv/bin/activate . Why Not Just Use pyproject.toml ?