improve type of dynamic (#226)

sqlalchemy-stubs/orm/dynamic.pyi

@@ -1,4 +1,5 @@
 from typing import Any
+from typing import List
 from typing import Optional
 
 from . import attributes as attributes
@@ -112,25 +113,29 @@ class AppenderQuery(Generative):
     def autoflush(self, setting: Any) -> None: ...
     @property
     def statement(self): ...
-    def filter(self, *criteria: Any): ...
-    def where(self, *criteria: Any) -> None: ...
-    def order_by(self, *criteria: Any) -> None: ...
-    def filter_by(self, **kwargs: Any) -> None: ...
-    def join(self, target: Any, *props: Any, **kwargs: Any) -> None: ...
-    def outerjoin(self, target: Any, *props: Any, **kwargs: Any) -> None: ...
-    def scalar(self): ...
-    def first(self): ...
-    def one(self): ...
-    def one_or_none(self): ...
-    def all(self): ...
+    def filter(self, *criteria: Any) -> AppenderQuery: ...
+    def where(self, *criteria: Any) -> AppenderQuery: ...
+    def order_by(self, *criteria: Any) -> AppenderQuery: ...
+    def filter_by(self, **kwargs: Any) -> AppenderQuery: ...
+    def join(
+        self, target: Any, *props: Any, **kwargs: Any
+    ) -> AppenderQuery: ...
+    def outerjoin(
+        self, target: Any, *props: Any, **kwargs: Any
+    ) -> AppenderQuery: ...
+    def scalar(self) -> Any: ...
+    def first(self) -> Any: ...
+    def one(self) -> Any: ...
+    def one_or_none(self) -> Any: ...
+    def all(self) -> List[Any]: ...
     def session(self): ...
     session: Any = ...
     def __iter__(self) -> Any: ...
-    def __getitem__(self, index: Any): ...
-    def limit(self, limit: Any) -> None: ...
-    def offset(self, offset: Any) -> None: ...
-    def slice(self, start: Any, stop: Any) -> None: ...
-    def count(self): ...
+    def __getitem__(self, index: Any) -> Any: ...
+    def limit(self, limit: Any) -> AppenderQuery: ...
+    def offset(self, offset: Any) -> AppenderQuery: ...
+    def slice(self, start: Any, stop: Any) -> AppenderQuery: ...
+    def count(self) -> int: ...
     def extend(self, iterator: Any) -> None: ...
     def append(self, item: Any) -> None: ...
     def remove(self, item: Any) -> None: ...