Only call 'as_view()' for a view classes if it is being used to overr…

…ide a request

src/wagtail_bynder/middleware.py

@@ -1,3 +1,5 @@
+from typing import TYPE_CHECKING
+
 from django.conf import settings
 from django.utils.deprecation import MiddlewareMixin
 from wagtail.admin.auth import require_admin_access
@@ -6,33 +8,37 @@
 from wagtail_bynder.views import image as image_views
 
 
+if TYPE_CHECKING:
+    from django.views.generic import View
+
+
 class PatchWagtailURLsMiddleware(MiddlewareMixin):
     @classmethod
-    def get_overrides(cls) -> dict[str, callable]:
+    def get_overrides(cls) -> dict[str, type["View"]]:
         overrides = {}
         if getattr(settings, "BYNDER_DOMAIN", ""):
             overrides.update(
                 {
-                    "wagtailimages_chooser:choose": image_views.ImageChooseView.as_view(),
-                    "wagtailimages_chooser:chosen": image_views.ImageChosenView.as_view(),
-                    "wagtaildocs_chooser:choose": document_views.DocumentChooseView.as_view(),
-                    "wagtaildocs_chooser:chosen": document_views.DocumentChosenView.as_view(),
+                    "wagtailimages_chooser:choose": image_views.ImageChooseView,
+                    "wagtailimages_chooser:chosen": image_views.ImageChosenView,
+                    "wagtaildocs_chooser:choose": document_views.DocumentChooseView,
+                    "wagtaildocs_chooser:chosen": document_views.DocumentChosenView,
                 }
             )
             if getattr(settings, "BYNDER_DISABLE_WAGTAIL_EDITING_FOR_ASSETS", False):
                 overrides.update(
                     {
-                        "wagtailimages:edit": image_views.ImageEditView.as_view(),
-                        "wagtailimages:delete": image_views.ImageDeleteView.as_view(),
-                        "wagtaildocs:edit": document_views.DocumentEditView.as_view(),
-                        "wagtaildocs:delete": document_views.DocumentDeleteView.as_view(),
+                        "wagtailimages:edit": image_views.ImageEditView,
+                        "wagtailimages:delete": image_views.ImageDeleteView,
+                        "wagtaildocs:edit": document_views.DocumentEditView,
+                        "wagtaildocs:delete": document_views.DocumentDeleteView,
                     }
                 )
         return overrides
 
     def process_view(self, request, view_func, view_args, view_kwargs):
         overrides = self.get_overrides()
-        replacement_view = overrides.get(request.resolver_match.view_name)
-        if replacement_view:
-            view = require_admin_access(replacement_view)
+        replacement_view_class = overrides.get(request.resolver_match.view_name)
+        if replacement_view_class:
+            view = require_admin_access(replacement_view_class.as_view())
             return view(request, *view_args, **view_kwargs)