Closes #13

classes/base/base_cacheable.py

@@ -2,6 +2,7 @@ from abc import ABC
 from logging import Logger
 from typing import Optional, Any, Dict
 
+from bson import ObjectId
 from libbot.cache.classes import Cache
 
 from classes.abstract import Cacheable
@@ -13,6 +14,8 @@ logger: Logger = get_logger(__name__)
 class BaseCacheable(Cacheable, ABC):
     """Base implementation of Cacheable used by all cachable classes."""
 
+    _id: ObjectId
+
     async def _set(self, cache: Optional[Cache] = None, **kwargs: Any) -> None:
         for key, value in kwargs.items():
             if not hasattr(self, key):