Finish type hints for utils.usertypes

mypy.ini

@@ -157,3 +157,7 @@ disallow_incomplete_defs = True
 [mypy-qutebrowser.utils.urlutils]
 disallow_untyped_defs = True
 disallow_incomplete_defs = True
+
+[mypy-qutebrowser.utils.usertypes]
+disallow_untyped_defs = True
+disallow_incomplete_defs = True

qutebrowser/utils/usertypes.py

@@ -452,7 +452,7 @@ class NavigationRequest:
         'other'
     ])
 
-    url = attr.ib()
-    navigation_type = attr.ib()
-    is_main_frame = attr.ib()
-    accepted = attr.ib(default=True)
+    url = attr.ib()  # type: QUrl
+    navigation_type = attr.ib()  # type: Type
+    is_main_frame = attr.ib()  # type: bool
+    accepted = attr.ib(default=True)  # type: bool