The parentheses are actually not required: https://mail.python.org/pipermail/python-dev/2018-July/154335.html https://mail.python.org/pipermail/python-dev/2018-

The parentheses are actually not required: https://mail.python.org/pipermail/python-dev/2018-July/154335.html https://mail.python.org/pipermail/python-dev/2018-July/15433... Why not "as" syntax: https://mail.python.org/pipermail/python-dev/2018-July/154333.html https://mail.python.org/pipermail/python-dev/2018-July/15433... (I'm just pointing to the given explanations for the interested. I'm not necessarily agreeing with them.)