I need to support both python 3.8 and versions lower that 3.8, but the package I need to import into my stub (*.pyi) file had different name in <3.8
import sys
if sys.version_info.minor < 8:
import xyz
else:
import zyx
In general this should do the job, but when I run flake8 with *.pyi files config ( flake8 --config flake8-pyi.ini
) I get this:
Y002 If test must be a simple comparison against sys.platform or sys.version_info
Any ideas what could be done about that?
Thanks in advance!
From the description of flake8-pyi (a flake8 plugin, not part of flake8 itself):
Y002: If test must be a simple comparison against sys.platform or sys.version_info. Stub files support simple conditionals to indicate differences between Python versions or platforms, but type checkers only understand a limited subset of Python syntax, and this warning triggers on conditionals that type checkers will probably not understand.
The fix is to change your condition to:
if sys.version_info < (3, 8):
note that your code would break for 2.8
(yes, some people do this!) and 4.0
so you should be careful with eliding parts of comparisons;) -- I've written a flake8 plugin which helps lint against conditions that might be problematic: flake8-2020
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