Improve the error message shown for legacy Celery #1718
Merged
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pip 24.1+ rejects packages that use invalid versions in their metadata (such as Celery older than v5.2.1).
We now annotate such failures with additional help text, mentioning the package needs to be upgraded, and link to the changelog entry which has additional advice:
https://devcenter.heroku.com/changelog-items/3073
This will help give clues to users who haven't seen the changelog entry (as seen in a couple of recent support tickets).
See also:
#1685 (comment)
GUS-W-17415804.