PY3.R1707

Trailing comma tuple

In Python, a tuple is actually created by the comma symbol, not by the parentheses. Unfortunately, one can actually create a tuple by misplacing a trailing comma, which can lead to potential weird bugs in your code. You should always use parentheses explicitly for creating a tuple.

Noncompliant Code:

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COMPASS = "north", "south", "east", "west",

Compliant Code:

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COMPASS = ("north", "south", "east", "west")

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