binary-op-exception / W0711

Message emitted:

Exception to catch is the result of a binary "%s" operation

Description:

Used when the exception to catch is of the form "except A or B:". If intending to catch multiple, rewrite as "except (A, B):"

Problematic code:

try:
    1 / 0
except ZeroDivisionError or ValueError:  # [binary-op-exception]
    pass

Correct code:

try:
    1 / 0
except (ZeroDivisionError, ValueError):
    pass

Created by the exceptions checker.