[issue38739] pyperformance html5lib cannot import Mapping (and fails)

STINNER Victor added the comment: > FYI: this affects tornado_http and django_template as well. Please report pyperformance issues at: https://github.com/python/pyperformance/issues -- ___ Python tracker __

[issue38739] pyperformance html5lib cannot import Mapping (and fails)

Travis Lazar added the comment: FYI: this affects tornado_http and django_template as well. -- ___ Python tracker ___ ___ Python-bu

[issue38739] pyperformance html5lib cannot import Mapping (and fails)

Travis Lazar added the comment: Really appreciate all the commentary and references here. Thanks for that. The resolution of disabling html5lib in pyperformance is good. I'll assume no html5lib benchmarking in pyperformance (master) until a version of html5lib is released compatible with 3.9

[issue38739] pyperformance html5lib cannot import Mapping (and fails)

Change by STINNER Victor : -- resolution: -> fixed stage: -> resolved status: open -> closed ___ Python tracker ___ ___ Python-bug

[issue38739] pyperformance html5lib cannot import Mapping (and fails)

STINNER Victor added the comment: I fixed the issue by disabling temporarily the benchmark, until html5lib is fixed: https://github.com/python/pyperformance/commit/8043c159215836fa733ee0815feecdd359e8852a -- That's Python bug tracker. The pyperformance bug tracker is at: https://github.com/p

[issue38739] pyperformance html5lib cannot import Mapping (and fails)

Karthikeyan Singaravelan added the comment: Sorry, I misread the traceback itself as if it's from pip. It's from html5lib being incompatible with 3.9 as per the latest release on 1.0.1 (Dec 7, 2017) . There is an issue to request new release with the fix at https://github.com/html5lib/html5l

[issue38739] pyperformance html5lib cannot import Mapping (and fails)

Karthikeyan Singaravelan added the comment: collections removed ABC access in 3.9. It seems you are using an older version of pip. Please update to the latest version which has the vendored html5lib package fixed. -- nosy: +xtreak ___ Python track

[issue38739] pyperformance html5lib cannot import Mapping (and fails)

Travis Lazar added the comment: Forgot to include that this was built on an aarch64 (Ampere eMAG) system. -- ___ Python tracker ___ ___

[issue38739] pyperformance html5lib cannot import Mapping (and fails)

New submission from Travis Lazar : When running pyperformance html5lib test, the application crashes with "ImportError: cannot import name 'Mapping' from 'collections' (/py3buildpath/lib/python3.9/collections/__init__.py)" To reproduce: 1 - Build Python from source. I produced with git commi