Some extra return type added.

examples/tutorial/tests/conftest.py

@@ -45,7 +45,7 @@ def runner(app):
 
 
 class AuthActions:
-    def __init__(self, client):
+    def __init__(self, client) -> None:
         self._client = client
 
     def login(self, username="test", password="test"):

src/flask/app.py

@@ -227,7 +227,7 @@ class Flask(App):
         instance_path: str | None = None,
         instance_relative_config: bool = False,
         root_path: str | None = None,
-    ):
+    ) -> None:
         super().__init__(
             import_name=import_name,
             static_url_path=static_url_path,

src/flask/sansio/blueprints.py

@@ -183,7 +183,7 @@ class Blueprint(Scaffold):
         url_defaults: dict[str, t.Any] | None = None,
         root_path: str | None = None,
         cli_group: str | None = _sentinel,  # type: ignore[assignment]
-    ):
+    ) -> None:
         super().__init__(
             import_name=import_name,
             static_folder=static_folder,

src/flask/sansio/scaffold.py

@@ -79,7 +79,7 @@ class Scaffold:
         static_url_path: str | None = None,
         template_folder: str | os.PathLike[str] | None = None,
         root_path: str | None = None,
-    ):
+    ) -> None:
         #: The name of the package or module that this object belongs
         #: to. Do not change this once it is set by the constructor.
         self.import_name = import_name

tests/conftest.py

@@ -111,7 +111,7 @@ def limit_loader(request, monkeypatch):
         return
 
     class LimitedLoader:
-        def __init__(self, loader):
+        def __init__(self, loader) -> None:
             self.loader = loader
 
         def __getattr__(self, name):

tests/test_appctx.py

@@ -156,7 +156,7 @@ def test_app_ctx_globals_methods(app, app_ctx):
 
 def test_custom_app_ctx_globals_class(app):
     class CustomRequestGlobals:
-        def __init__(self):
+        def __init__(self) -> None:
             self.spam = "eggs"
 
     app.app_ctx_globals_class = CustomRequestGlobals

tests/test_basic.py

@@ -266,7 +266,7 @@ def test_session_path(app, client):
 
 def test_session_using_application_root(app, client):
     class PrefixPathMiddleware:
-        def __init__(self, app, prefix):
+        def __init__(self, app, prefix) -> None:
             self.app = app
             self.prefix = prefix
 
@@ -1781,7 +1781,7 @@ def test_multi_route_rules(app, client):
 
 def test_multi_route_class_views(app, client):
     class View:
-        def __init__(self, app):
+        def __init__(self, app) -> None:
             app.add_url_rule("/", "index", self.index)
             app.add_url_rule("/<test>/", "index", self.index)
 

tests/test_helpers.py

@@ -15,7 +15,7 @@ class FakePath:
     See: https://www.python.org/dev/peps/pep-0519/
     """
 
-    def __init__(self, path):
+    def __init__(self, path) -> None:
         self.path = path
 
     def __fspath__(self):
@@ -23,7 +23,7 @@ class FakePath:
 
 
 class PyBytesIO:
-    def __init__(self, *args, **kwargs):
+    def __init__(self, *args, **kwargs) -> None:
         self._io = io.BytesIO(*args, **kwargs)
 
     def __getattr__(self, name):
@@ -265,7 +265,7 @@ class TestStreaming:
         called = []
 
         class Wrapper:
-            def __init__(self, gen):
+            def __init__(self, gen) -> None:
                 self._gen = gen
 
             def __iter__(self):