"""A demonstration of pylint weirdness."""

import enum


class Weird(enum.Enum):
    """A not-so-weird class."""

    FIRST = "first"
    SECOND = "second"

    def __str__(self):
        # type: (Weird) -> str
        assert isinstance(self.value, str)
        return self.value


class WeirdStr(str, enum.Enum):
    """Another not-so-weird class."""

    FIRST = "first"
    SECOND = "second"

    def __str__(self):
        # type: (WeirdStr) -> str
        assert isinstance(self.value, str)
        return self.value


class NotWeird(enum.Enum):
    """An even less weird class."""

    FIRST = "first"
    SECOND = "second"

    def __str__(self) -> str:
        assert isinstance(self.value, str)
        return self.value


class NotWeirdAtAll(str, enum.Enum):
    """A class, mmkay?"""

    FIRST = "first"
    SECOND = "second"

    def __str__(self) -> str:
        assert isinstance(self.value, str)
        return self.value