remove typing protocols

Author: Kakadus

evap/evaluation/tools.py

@@ -189,12 +189,6 @@ def formset_valid(self, formset) -> HttpResponse:
         return super().form_valid(formset)
 
 
-@typing.runtime_checkable
-class HasFormValid(Protocol):
-    def form_valid(self, form):
-        pass
-
-
 class SaveValidFormMixin:
     """
     Call `form.save()` if the submitted form is valid.
@@ -203,9 +197,9 @@ class SaveValidFormMixin:
     example if a formset for a collection of objects is submitted.
     """
 
-    def form_valid(self: HasFormValid, form) -> HttpResponse:
+    def form_valid(self, form) -> HttpResponse:
         form.save()
-        return super().form_valid(form)
+        return super().form_valid(form)  # type: ignore[misc]
 
 
 class AttachmentResponse(HttpResponse):