fix(aurora): improve typehints in the Type model

aurora/models/__init__.py

@@ -0,0 +1,2 @@
+from .moderation_types import *  # noqa: F403
+# This just imports all the built-in moderation types so they can be registered, as they aren't imported anywhere else.

aurora/models/type.py

@@ -1,5 +1,5 @@
 from abc import ABC, abstractmethod
-from typing import Any, Dict, Tuple
+from typing import TYPE_CHECKING, Any, Dict, Tuple
 
 from class_registry import ClassRegistry
 from class_registry.base import AutoRegister
@@ -7,10 +7,13 @@ from discord import Interaction, Member, User
 from discord.abc import Messageable
 from redbot.core import commands
 
+if TYPE_CHECKING:
+    from .moderation import Moderation
+
 type_registry: Dict["str", "Type"] = ClassRegistry(attr_name="key", unique=True)
 
 
-class Type(AutoRegister(type_registry), ABC):
+class Type(AutoRegister(registry=type_registry), ABC):
     """This is a base class for moderation types.
 
     Attributes:
@@ -65,7 +68,7 @@ class Type(AutoRegister(type_registry), ABC):
         raise NotImplementedError
 
     @classmethod
-    async def resolve_handler(cls, moderation, reason: str) -> Tuple[bool, str]:  # pylint: disable=unused-argument
+    async def resolve_handler(cls, moderation: "Moderation", reason: str) -> Tuple[bool, str]:  # pylint: disable=unused-argument
         """This method should be overridden by any resolvable child classes, but should retain the same keyword arguments.
         If your moderation type should not be resolvable, do not override this.
 
@@ -76,7 +79,7 @@ class Type(AutoRegister(type_registry), ABC):
         raise NotImplementedError
 
     @classmethod
-    async def expiry_handler(cls, moderation) -> int:  # pylint: disable=unused-argument
+    async def expiry_handler(cls, moderation: "Moderation") -> int:  # pylint: disable=unused-argument
         """This method should be overridden by any expirable child classes, but should retain the same keyword arguments and return an integer.
         If your moderation type should not expire, do not override this, but also do not set an `end_timestamp` when you log your moderation.
 
@@ -86,7 +89,7 @@ class Type(AutoRegister(type_registry), ABC):
         raise NotImplementedError
 
     @classmethod
-    async def duration_edit_handler(cls, interaction: Interaction, old_moderation, new_moderation) -> bool:  # pylint: disable=unused-argument
+    async def duration_edit_handler(cls, interaction: Interaction, old_moderation: "Moderation", new_moderation: "Moderation") -> bool:  # pylint: disable=unused-argument
         """This method should be overridden by any child classes with editable durations, but should retain the same keyword arguments and should return True if the duration was successfully modified, or False if it was not.
         If your moderation type's duration should not be editable, do not override this.