Mikko Rantalainen added the comment:
As I wrote in duplicate issue38496 (with emphasis added):
I'd prefer python3 to require that *all whitespace* at the start of the all the
lines is *tabs for the whole file*, or *spaces for the whole file*. And first
indented line sets the preferenc
New submission from Mikko Rantalainen :
Contrary to PEP-8 (https://www.python.org/dev/peps/pep-0008/#tabs-or-spaces)
claiming "Python 3 disallows mixing the use of tabs and spaces for
indentation", in reality Python 3 allows mixing tabs and spaces without
warnings or errors. For exa
