Pre-commit + conda on win10 looks for python in a wrong location

I have a problem similar to #1583, but I cannot find an easy way to fix it.

I am using conda, so my python is located in c:\\tools\\miniconda3\\python.exe. When I try to install the pre-commit hooks, the pre-commit file is created alright, with python pointing to the right location:

#!/usr/bin/env python
"""File generated by pre-commit: https://pre-commit.com"""
from __future__ import print_function

import distutils.spawn
import os
import subprocess
import sys

# work around https://github.com/Homebrew/homebrew-core/issues/30445
os.environ.pop('__PYVENV_LAUNCHER__', None)

HERE = os.path.dirname(os.path.abspath(__file__))
Z40 = '0' * 40
ID_HASH = '138fd403232d2ddd5efb44317e38bf03'
# start templated
CONFIG = '.pre-commit-config.yaml'
HOOK_TYPE = 'pre-commit'
INSTALL_PYTHON = 'c:\\tools\\miniconda3\\python.exe'
SKIP_ON_MISSING_CONFIG = False
# end templated

class EarlyExit(RuntimeError):
    pass


class FatalError(RuntimeError):
    pass
... 

However, when I try to commit, for some reason pre-commit is searching for python elsewhere:

✗ git commit
[INFO] Installing environment for https://github.com/ambv/black.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
An unexpected error has occurred: CalledProcessError: Command: ('c:\\tools\\miniconda3\\python.exe', '-mvirtualenv', 
'C:\\Users\\user\\.cache\\pre-commit\\repo6nh7djva\\py_env-python3', '-p', 'C:\\python3\\python.exe')
Return code: 1
Expected return code: 0
Output:
    FileNotFoundError: [WinError 3] The system cannot find the path specified: 'C:\\python3\\python.exe'

Errors: (none)

Check the log at C:\Users\user/.cache\pre-commit\pre-commit.log

I’ve tried to fix it manually, but I am not sure where it takes this python location from. All references in pre-commit point to the correct location (including just typing python in the terminal). The folder C:\\python3\\python.exe does not exist on my system (since python is installed by conda), so it cannot be on the system path.

I will appreciate any advice, thank you.

[asottile]

you’re also using a really old version of pre-commit which won’t try sys.executable so maybe try upgrading

[asottile]

one of your hooks is setting language_version: python3 and is performing the lookup to find that (and failing)