Require Python >=3.6 and upgrade syntax #87
Merged
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Drop Python 2 and Python 3.5 and lower support, require at least Python 3.6.
Python 3.6 is already end-of-life, but relatively easy to maintain. It allows for using f-strings and other modern functions. Python 3.7 is currently the oldest supported Python version.
This PR also upgrade Python syntax to 3.6, using pyupgrade with
--py36-plus
.This allows to for new development to use modern Python syntax and features. Of course older releases can still be used with older Python versions.