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[SIP-2] Deprecate support for python <3.6

See original GitHub issue

SIP-2 Deprecate support for python ❤️.6

Motivation

There’s extra cost in maintaining multiple versions of python:

longer build times (travis build matrix does 2.7 and 3.x now)
can’t take full advantage of nice py3 features like async/await, f-strings and much more
intricate bugs

Proposed Change

remove buid env from tox build matrix
remove <py3.6 specific code, like from __future__ imports
start recommending f-strings instead of str.format()
add notes/instructions in UPDATE.md
update the installation docs

New or Changed Public Interfaces

People not running >=py3.6 will need to change their installation scripts.

Migration Plan and Compatibility

N/A

Rejected Alternatives

Supporting py2.7 forever

Issue Analytics

State:
Created 5 years ago
Reactions:3
Comments:5 (4 by maintainers)

Top GitHub Comments

1reaction

villebrocommented, Aug 5, 2018

I would much prefer having only >=py3.6.

0reactions

williastercommented, Oct 9, 2018

Closed by #5985

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