[peewee] add return type to count()

Author: Psycojoker

stubs/peewee/peewee.pyi

@@ -576,7 +576,7 @@ class SelectBase(_HashableSource, Source, SelectQuery):  # type: ignore[misc]
     def first(self, database=None, n: int = 1): ...
     def scalar(self, database=None, as_tuple: bool = False, as_dict: bool = False): ...
     def scalars(self, database=None) -> Generator[Incomplete]: ...
-    def count(self, database=None, clear_limit: bool = False): ...
+    def count(self, database=None, clear_limit: bool = False) -> int: ...
     def exists(self, database=None) -> bool: ...
     def get(self, database=None): ...