Some extra return type added.

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):