Fix mistaken commit

Author: Half-Shot

mautrix_telegram/db/portal.py

@@ -62,14 +62,14 @@ def count(cls) -> int:
         except StopIteration:
             return 0
 
+    @classmethod
+    def get_by_mxid(cls, mxid: RoomID) -> Optional['Portal']:
+        return cls._select_one_or_none(cls.c.mxid == mxid)
+
     @classmethod
     def get_by_username(cls, username: str) -> Optional['Portal']:
         return cls._select_one_or_none(func.lower(cls.c.username) == username)
 
     @classmethod
     def all(cls) -> Iterable['Portal']:
-        yield from cls._select_all()
-
-    @classmethod
-    def get_by_mxid(cls, mxid: RoomID) -> Integer:
-        return cls._select_one_or_none(cls.c.mxid == mxid)
+        yield from cls._select_all()