unpacking-non-sequence / E0633#

Message emitted:

Attempting to unpack a non-sequence%s

Description:

Used when something which is not a sequence is used in an unpack assignment

Correct code:

a, b, c = 1, 2, 3

Problematic code:

a, b, c = 1  # [unpacking-non-sequence]

Created by the variables checker.