Add support for Python 3.9

zopefoundation / zope.exceptions

exceptions and implementations which are general purpose

https://zopeexceptions.readthedocs.io/

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Add support for Python 3.9 #16

Closed icemac closed 4 years ago

icemac commented 4 years ago

Drop support for Python 3.5 as its sunset is in some months.

This PR should fix https://travis-ci.org/github/zopefoundation/zopetoolkit/jobs/703067107 when released and used n ZTK.

mgedmin commented 4 years ago

(As usual, I have some slight reservations about claiming support for Python 3.9 in setup.py classifiers before 3.9 final is actually out, as we don't know what other incompatible changes might creep in. I've been burned in the past by pushing for 3.8-specific fixes to lxml/cython that then got reverted in newer 3.8 betas, breaking those lxml/cython releases.)

icemac commented 4 years ago

I dropped claiming Python 3.9 support: you are right, we should wait for the final version as we do not know what will happen until then.

icemac commented 4 years ago

Thank you.