Tries to use Python when only Python3 available

Resolved 💬 4 comments Opened Nov 24, 2025 by aehlke Closed Nov 26, 2025

What version of Codex is running?

0.63.0

What subscription do you have?

Pro

Which model were you using?

gpt-5.1-codex-max high

What platform is your computer?

macOS 26.1

What issue are you seeing?

On macOS I think normally and not only in my system, I have python3 but no python.

I often get:

• Ran python - <<'PY'
  │ import re, pathlib
  │ text=pathlib.Path('Vendor/LakeOfFire/Sources/LakeOfFire/Reader/ReaderModeViewModel.swift').read_text()
  │ … +3 lines
  └ zsh:1: command not found: python

• Ran python3 - <<'PY'
[...]

Which wastes precious context

What steps can reproduce the bug?

Get it to make file edits with Python

What is the expected behavior?

_No response_

Additional information

_No response_

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