pyproject.toml: references a "python_requires" key that does not exist

[Gadgetoid]

This line-

sampleproject/pyproject.toml

Line 89 in aeeb50a

# checked by "pip install". See instead "python_requires" below.

References a "python_requires" below, which does not appear

This should probably say "requires-python".

[di]

Yes, looks like this was missed in #166.

[chrysle]

This was fixed in #204.