What causes "Neovim Python Provider Not Working (pynvim)"?

pynvim not installed Project virtualenv active without pynvim Old pynvim version

How do I fix "Neovim Python Provider Not Working (pynvim)"?

1. Install pynvim: Make sure Python 3.9+ is on PATH Run uv tool install --upgrade pynvim (or pipx install pynvim) Restart and run :checkhealth vim.provider 2. Pin the interpreter: Set vim.g.python3_host_prog = '/full/path/to/python3' (the one with pynvim) Test with nvim -u NORC to rule out your config

Neovim Python Provider Not Working (pynvim)

Workaround available Windows, macOS, Linux Updated October 21, 2026

Quick answer

Python-based plugins need the pynvim module available to Neovim. Install it with uv or pipx and, if a virtualenv interferes, point g:python3_host_prog at the right interpreter.

Most likely fix: Install pynvim.

Symptoms

:checkhealth shows the Python 3 provider as missing, or plugins error with 'No python3 provider found'.

Why it happens

pynvim not installed
Project virtualenv active without pynvim
Old pynvim version

How to fix it

Try these in order — the most common fix is first.

1. Install pynvim
1. Make sure Python 3.9+ is on PATH
2. Run uv tool install --upgrade pynvim (or pipx install pynvim)
3. Restart and run :checkhealth vim.provider
2. Pin the interpreter
1. Set vim.g.python3_host_prog = '/full/path/to/python3' (the one with pynvim)
2. Test with nvim -u NORC to rule out your config

This guide also covers

neovim python provider not working
no python3 provider found neovim
pynvim not found

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