third iteration of stubs

django-stubs/apps/registry.pyi

@@ -1,5 +1,4 @@
-from functools import partial
-from typing import Any, List, Optional, Tuple, Type, Union
+from typing import Any, Callable, List, Optional, Tuple, Type, Union
 
 from django.apps.config import AppConfig
 from django.db.migrations.state import AppConfigStub
@@ -15,12 +14,15 @@ class Apps:
     apps_ready: bool = ...
     loading: bool = ...
     def __init__(
-        self, installed_apps: Union[List[AppConfigStub], Tuple] = ...
+        self,
+        installed_apps: Optional[
+            Union[List[AppConfigStub], List[str], Tuple]
+        ] = ...,
     ) -> None: ...
     models_ready: bool = ...
     ready: bool = ...
     def populate(
-        self, installed_apps: Union[List[AppConfigStub], Tuple, List[str]] = ...
+        self, installed_apps: Union[List[AppConfigStub], List[str], Tuple] = ...
     ) -> None: ...
     def check_apps_ready(self) -> None: ...
     def check_models_ready(self) -> None: ...
@@ -36,7 +38,7 @@ class Apps:
         require_ready: bool = ...,
     ) -> Type[Model]: ...
     def register_model(self, app_label: str, model: Type[Model]) -> None: ...
-    def is_installed(self, app_name: Any): ...
+    def is_installed(self, app_name: str) -> bool: ...
     def get_containing_app_config(
         self, object_name: str
     ) -> Optional[AppConfig]: ...
@@ -44,13 +46,15 @@ class Apps:
         self, app_label: str, model_name: str
     ) -> Type[Model]: ...
     def get_swappable_settings_name(self, to_string: str) -> Optional[str]: ...
-    def set_available_apps(self, available: Any) -> None: ...
+    def set_available_apps(self, available: List[str]) -> None: ...
     def unset_available_apps(self) -> None: ...
-    def set_installed_apps(self, installed: List[str]) -> None: ...
+    def set_installed_apps(
+        self, installed: Union[List[str], Tuple[str]]
+    ) -> None: ...
     def unset_installed_apps(self) -> None: ...
     def clear_cache(self) -> None: ...
     def lazy_model_operation(
-        self, function: partial, *model_keys: Any
+        self, function: Callable, *model_keys: Any
     ) -> None: ...
     def do_pending_operations(self, model: Type[Model]) -> None: ...