from typing import Generic, TypeVar

T = TypeVar("T")

class BaseOk:
    """No issues with generic classes without __init_subclass__"""

class OtherBaseOk(Generic[T]):
    """It's ok to have __init_subclass__ if the base is Generic"""
    def __init_subclass__(cls, **kwargs):
        print(f"OtherBaseOk: Initializing subclass {cls.__name__}")

class BaseBuggy:
    """This will trigger the bug for a Generic subclass with a non-generic subclass"""
    def __init_subclass__(cls, **kwargs):
        print(f"BaseBuggy: Initializing subclass {cls.__name__}")

# These will construct without issue.
class OkGeneric(BaseOk, Generic[T]): ...
class Ok(OkGeneric[int]): ...

# This is also ok
class OtherOk(OtherBaseOk[int]): ...

# These cause a bug
class BugGeneric(BaseBuggy, Generic[T]): ...
class NotBug(BugGeneric): ...
class Bug(BugGeneric[int]): ...  # Issue is here
# class AlsoBug(BugGeneric[T], Generic[T]): ...  # This would also trigger an issue

# `Bug` will never be built correctly.
raise Exception("This is never hit.")