flake8-new-union-types 0.2.0

Flake8 plugin to enforce the new Union and Optional annotation syntax defined in PEP 604

flake8-new-union-types

Flake8 plugin to enforce the new Union and Optional annotation syntax defined in PEP 604.

Union[X, Y] = X | Y

Optional[X] = X | None

Installation

pip install flake8-new-union-types

or if you use poetry:

poetry add --dev flake8-new-union-types

Usage

Error list

• NU001 Use "A | B" syntax instead of Union (PEP 604)
• NU002 Use "A | None" syntax instead of Optional (PEP 604)

Configuration

There is no way to configure the plugin at the moment.