import random
from typing import get_type_hints

class Bar:


	def foo(self, a: str) -> int:
		return 1

class fakedict(dict):

	def __getattribute__(self, *args, **kwargs):
		if random.randint(0,1) == 1:
			dict.__setitem__(self,'a', int)
		else:
			dict.__setitem__(self, 'a', str)
		return dict.__getattribute__(self, *args, **kwargs)

setattr(Bar.foo, '__annotations__', fakedict({'a': str, 'return': int}))


print(get_type_hints(Bar.foo))
print(get_type_hints(Bar.foo))
print(get_type_hints(Bar.foo))
print(get_type_hints(Bar.foo))
print(get_type_hints(Bar.foo))
print(get_type_hints(Bar.foo))
print(get_type_hints(Bar.foo))