duplicate-literal-member (PYI062)

Derived from the flake8-pyi linter.

Fix is always available.

What it does

Checks for duplicate members in a typing.Literal[] slice.

Why is this bad?

Duplicate literal members are redundant and should be removed.

Example

foo: Literal["a", "b", "a"]

Use instead:

foo: Literal["a", "b"]

Fix safety

This rule's fix is marked as safe, unless the type annotation contains comments.

Note that while the fix may flatten nested literals into a single top-level literal, the semantics of the annotation will remain unchanged.

References

• Python documentation: typing.Literal