use ruff linter and formatter

src/flask/app.py

@@ -1183,7 +1183,8 @@ class Flask(App):
                 # class to the correct type
                 try:
                     rv = self.response_class.force_type(
-                        rv, request.environ  # type: ignore[arg-type]
+                        rv,  # type: ignore[arg-type]
+                        request.environ,
                     )
                 except TypeError as e:
                     raise TypeError(
@@ -1272,7 +1273,8 @@ class Flask(App):
         return response
 
     def do_teardown_request(
-        self, exc: BaseException | None = _sentinel  # type: ignore
+        self,
+        exc: BaseException | None = _sentinel,  # type: ignore[assignment]
     ) -> None:
         """Called after the request is dispatched and the response is
         returned, right before the request context is popped.
@@ -1305,7 +1307,8 @@ class Flask(App):
         request_tearing_down.send(self, _async_wrapper=self.ensure_sync, exc=exc)
 
     def do_teardown_appcontext(
-        self, exc: BaseException | None = _sentinel  # type: ignore
+        self,
+        exc: BaseException | None = _sentinel,  # type: ignore[assignment]
     ) -> None:
         """Called right before the application context is popped.
 

src/flask/helpers.py

@@ -21,6 +21,7 @@ from .signals import message_flashed
 
 if t.TYPE_CHECKING:  # pragma: no cover
     from werkzeug.wrappers import Response as BaseResponse
+
     from .wrappers import Response
 
 
@@ -48,9 +49,7 @@ def get_load_dotenv(default: bool = True) -> bool:
 
 
 def stream_with_context(
-    generator_or_function: (
-        t.Iterator[t.AnyStr] | t.Callable[..., t.Iterator[t.AnyStr]]
-    )
+    generator_or_function: t.Iterator[t.AnyStr] | t.Callable[..., t.Iterator[t.AnyStr]]
 ) -> t.Iterator[t.AnyStr]:
     """Request contexts disappear when the response is started on the server.
     This is done for efficiency reasons and to make it less likely to encounter

src/flask/json/provider.py

@@ -134,9 +134,7 @@ class DefaultJSONProvider(JSONProvider):
         method) will call the ``__html__`` method to get a string.
     """
 
-    default: t.Callable[[t.Any], t.Any] = staticmethod(
-        _default
-    )  # type: ignore[assignment]
+    default: t.Callable[[t.Any], t.Any] = staticmethod(_default)  # type: ignore[assignment]
     """Apply this function to any object that :meth:`json.dumps` does
     not know how to serialize. It should return a valid JSON type or
     raise a ``TypeError``.

src/flask/sansio/app.py

@@ -35,9 +35,10 @@ from .scaffold import setupmethod
 
 if t.TYPE_CHECKING:  # pragma: no cover
     from werkzeug.wrappers import Response as BaseResponse
-    from .blueprints import Blueprint
+
     from ..testing import FlaskClient
     from ..testing import FlaskCliRunner
+    from .blueprints import Blueprint
 
 T_shell_context_processor = t.TypeVar(
     "T_shell_context_processor", bound=ft.ShellContextProcessorCallable
@@ -905,7 +906,9 @@ class App(Scaffold):
             Moved from ``flask.redirect``, which calls this method.
         """
         return _wz_redirect(
-            location, code=code, Response=self.response_class  # type: ignore[arg-type]
+            location,
+            code=code,
+            Response=self.response_class,  # type: ignore[arg-type]
         )
 
     def inject_url_defaults(self, endpoint: str, values: dict) -> None:

src/flask/sessions.py

@@ -14,7 +14,8 @@ from .json.tag import TaggedJSONSerializer
 
 if t.TYPE_CHECKING:  # pragma: no cover
     from .app import Flask
-    from .wrappers import Request, Response
+    from .wrappers import Request
+    from .wrappers import Response
 
 
 class SessionMixin(MutableMapping):

src/flask/views.py

@@ -6,7 +6,6 @@ from . import typing as ft
 from .globals import current_app
 from .globals import request
 
-
 http_method_funcs = frozenset(
     ["get", "post", "head", "options", "delete", "put", "trace", "patch"]
 )