The PEP lists the rationale and some discussion. https://www.python.org/dev/peps/pep-0557/#rationale https://www.python.org/dev/peps/pep-0557/#rationale https:

The PEP lists the rationale and some discussion. https://www.python.org/dev/peps/pep-0557/#rationale https://www.python.org/dev/peps/pep-0557/#rationale https://www.python.org/dev/peps/pep-0557/#id10 https://www.python.org/dev/peps/pep-0557/#id10