[flake8]
max-line-length = 119
select = 
    F541, # f-string without any placeholders
    F841, # local variable 'x' is assigned to but never used
    F401, # 'x' imported but unused
    E741, # ambiguous variable name 'l'
    F821, # undefined name 'x'
    E266, # too many leading '#' for block comment