Why did you rename the variable? I couldn't figure it out from the commit subject: "Flask fix (ambigous variable name)"

Why did you rename the variable? I couldn't figure it out from the commit subject: "Flask fix (ambiguous variable name)"

because, according to PEP8, variables couldn't use names I, l, and O as ambiguous.

because, according to PEP8, variables couldn't use names I, 'l', and 'O' as ambiguous.

Oh, OK; found it: https://www.python.org/dev/peps/pep-0008/#names-to-avoid

Please fix the commit subject ("Flask fix" doesn't make sense and it doesn't mention PEP8).

Please fix the commit subject ("Flask fix" doesn't make sense and it doesn't mention PEP8).

Done

There is a typo in subject text: "requirments"

Otherwise, all good.

+1

looks good!