isinstance-second-argument-not-valid-type / W1116

Message emitted:

Second argument of isinstance is not a type

Description:

Emitted when the second argument of an isinstance call is not a type.

Problematic code:

isinstance("apples and oranges", hex)  # [isinstance-second-argument-not-valid-type]

Correct code:

isinstance("apples and oranges", str)

Created by the typecheck checker.