[Python] isinstance() returns false because import path is not equal to class type

I want to check if a variable is a specific class:

if isinstance(inv, src.components.inventory.Inventory):
inv.items.remove(entity)


But the check goes wrong because the class type is different from the import:

print(f"type of inv: {type(inv)}")


results in

type of inv: <class 'components.inventory.Inventory'>


I'm currently working through the Roguelike Tutorial , but for some reasons I've moved all code files to src/ and components to src/components/.

How can I solve this problem? I could do a string comparison, but then I'm missing the type cast to be able to call remove.

Edit: add code snippet and structure

src/components/base_component.py:

class BaseComponent:
...


src/components/inventory.py:

from src.components.base_component import BaseComponent

class Inventory(BaseComponent):
...


src/components/consumable.py:

from src.components.inventory import Inventory

class Consumable(BaseComponent):
def consume(self) -> None:
entity = self.parent
inv = entity.parent
if isinstance(inv, Inventory):
inv.items.remove(entity)


Edit2

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