from warnings import deprecated
from typing import Protocol
class FooProtocol(Protocol):
    pass
class Base:
    pass
@deprecated("")
class DeprecatedBase:
    pass
class FooWithBase(Base, FooProtocol):
    pass
class FooWithDeprecatedBase(DeprecatedBase, FooProtocol):
    pass
assert FooWithBase._is_protocol is False
assert FooWithDeprecatedBase._is_protocol is True