* use f-strings
* inline immediately returned variables
* simplify comprehension
* use list literals
* lift return statements into control flow blocks
* other pure refactorings
* remove passthrough function
* use a ternary when it improves readability
* use __getitem__ for regex match groups; introduced in Python 3.6
* fix changed comments
* revert one change
* remove unused imports
* use google as isort profile
* sort imports
* format with yapf
* clean end of file new line, trailing whitespace, double quoted strings
Connor McCarthy
gkcalat
Chen Sun