v1 milestone

venv/lib/python3.12/site-packages/aiogram/handlers/chat_member.py

@@ -0,0 +1,14 @@
+from abc import ABC
+
+from aiogram.handlers import BaseHandler
+from aiogram.types import ChatMemberUpdated, User
+
+
+class ChatMemberHandler(BaseHandler[ChatMemberUpdated], ABC):
+    """
+    Base class for chat member updated events
+    """
+
+    @property
+    def from_user(self) -> User:
+        return self.event.from_user