brew upgrade fails for Python's 2to3 conflict #2322
Description
Description
If I run the commands brew update and brew upgrade, the job fails. This is similar to #2248 and #1811, but the specific error is different and is probably due to some other Python being installed.
Area for Triage:
Question, Bug, or Feature?:
Bug
Virtual environments affected
- Ubuntu 16.04
- Ubuntu 18.04
- Ubuntu 20.04
- macOS 10.15
- macOS 11.0
- Windows Server 2016 R2
- Windows Server 2019
Expected behavior
I would expect that brew upgrade works fine.
Actual behavior
brew upgrade is failing with error:
2020-12-21T12:59:17.7407310Z The formula built, but is not symlinked into /usr/local
2020-12-21T12:59:17.7430550Z Could not symlink bin/2to3
2020-12-21T12:59:17.7443870Z Target /usr/local/bin/2to3
2020-12-21T12:59:17.7446720Z already exists. You may want to remove it:
2020-12-21T12:59:17.7452220Z rm '/usr/local/bin/2to3'
2020-12-21T12:59:17.7482600Z
2020-12-21T12:59:17.7485390Z To force the link and overwrite all conflicting files:
2020-12-21T12:59:17.7547210Z brew link --overwrite python@3.9
2020-12-21T12:59:17.7599790Z
2020-12-21T12:59:17.7652130Z To list all files that would be deleted:
2020-12-21T12:59:17.7663330Z brew link --overwrite --dry-run python@3.9
2020-12-21T12:59:17.7667290Z
2020-12-21T12:59:17.7678030Z Possible conflicting files are:
Repro steps
Run the following commands in a macos image:
brew updatebrew upgrade
See https://github.com/traversaro/github-actions-brew-update-upgrade-check/actions/runs/435789601 for a minimal job that is failing.