We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
ChallengeList page should use pagination
This takes a while to load with many challenges and the Automated Evaluation boolean no longer works.


--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `app/grandchallenge/challenges/views.py`
Content:
```
1 from django.contrib import messages
2 from django.contrib.messages.views import SuccessMessageMixin
3 from django.core.paginator import EmptyPage, Paginator
4 from django.db.models import Q
5 from django.utils.html import format_html
6 from django.views.generic import (
7     CreateView,
8     DeleteView,
9     ListView,
10     TemplateView,
11     UpdateView,
12 )
13 
14 from grandchallenge.challenges.filters import ChallengeFilter
15 from grandchallenge.challenges.forms import (
16     ChallengeCreateForm,
17     ChallengeUpdateForm,
18     ExternalChallengeUpdateForm,
19 )
20 from grandchallenge.challenges.models import (
21     Challenge,
22     ExternalChallenge,
23 )
24 from grandchallenge.core.permissions.mixins import (
25     UserIsChallengeAdminMixin,
26     UserIsNotAnonMixin,
27     UserIsStaffMixin,
28 )
29 from grandchallenge.core.templatetags.random_encode import random_encode
30 from grandchallenge.subdomains.mixins import ChallengeSubdomainObjectMixin
31 from grandchallenge.subdomains.utils import reverse
32 
33 
34 class ChallengeCreate(UserIsNotAnonMixin, SuccessMessageMixin, CreateView):
35     model = Challenge
36     form_class = ChallengeCreateForm
37     success_message = "Challenge successfully created"
38 
39     def form_valid(self, form):
40         form.instance.creator = self.request.user
41         return super().form_valid(form)
42 
43 
44 class ChallengeList(TemplateView):
45     paginate_by = 40
46     template_name = "challenges/challenge_list.html"
47 
48     @property
49     def _current_page(self):
50         return int(self.request.GET.get("page", 1))
51 
52     @property
53     def _filters_applied(self):
54         return any(k for k in self.request.GET if k.lower() != "page")
55 
56     def _get_page(self):
57         self.int_filter = ChallengeFilter(
58             self.request.GET,
59             Challenge.objects.filter(hidden=False)
60             .prefetch_related("phase_set", "publications")
61             .order_by("-created"),
62         )
63         self.ext_filter = ChallengeFilter(
64             self.request.GET,
65             ExternalChallenge.objects.filter(hidden=False)
66             .prefetch_related("publications")
67             .order_by("-created"),
68         )
69 
70         int_paginator = Paginator(self.int_filter.qs, self.paginate_by // 2)
71         ext_paginator = Paginator(self.ext_filter.qs, self.paginate_by // 2)
72 
73         num_pages = max(int_paginator.num_pages, ext_paginator.num_pages)
74         num_results = int_paginator.count + ext_paginator.count
75 
76         try:
77             int_page = int_paginator.page(self._current_page)
78         except EmptyPage:
79             int_page = []
80 
81         try:
82             ext_page = ext_paginator.page(self._current_page)
83         except EmptyPage:
84             ext_page = []
85 
86         return [*int_page, *ext_page], num_pages, num_results
87 
88     def get_context_data(self, *, object_list=None, **kwargs):
89         context = super().get_context_data(**kwargs)
90 
91         page_obj, num_pages, num_results = self._get_page()
92 
93         context.update(
94             {
95                 "int_filter": self.int_filter,
96                 "filters_applied": self._filters_applied,
97                 "page_obj": page_obj,
98                 "num_pages": num_pages,
99                 "num_results": num_results,
100                 "current_page": self._current_page,
101                 "next_page": self._current_page + 1,
102                 "previous_page": self._current_page - 1,
103                 "jumbotron_title": "Challenges",
104                 "jumbotron_description": format_html(
105                     (
106                         "Here is an overview of all challenges that have been "
107                         "organised within the area of medical image analysis "
108                         "that we are aware of. Please <a href='{}'>contact "
109                         "us</a> if you want to advertise your challenge or "
110                         "know of any study that would fit in this overview."
111                     ),
112                     random_encode("mailto:support@grand-challenge.org"),
113                 ),
114             }
115         )
116 
117         return context
118 
119 
120 class UsersChallengeList(UserIsNotAnonMixin, ListView):
121     model = Challenge
122     template_name = "challenges/challenge_users_list.html"
123 
124     def get_queryset(self):
125         queryset = super().get_queryset()
126         if not self.request.user.is_superuser:
127             queryset = queryset.filter(
128                 Q(participants_group__in=self.request.user.groups.all())
129                 | Q(admins_group__in=self.request.user.groups.all())
130             )
131         return queryset
132 
133 
134 class ChallengeUpdate(
135     UserIsChallengeAdminMixin,
136     SuccessMessageMixin,
137     ChallengeSubdomainObjectMixin,
138     UpdateView,
139 ):
140     model = Challenge
141     slug_field = "short_name__iexact"
142     slug_url_kwarg = "challenge_short_name"
143     form_class = ChallengeUpdateForm
144     success_message = "Challenge successfully updated"
145     template_name_suffix = "_update"
146 
147 
148 class ExternalChallengeCreate(
149     UserIsStaffMixin, SuccessMessageMixin, CreateView
150 ):
151     model = ExternalChallenge
152     form_class = ExternalChallengeUpdateForm
153     success_message = (
154         "Your challenge has been successfully submitted. "
155         "An admin will review your challenge before it is published."
156     )
157 
158     def form_valid(self, form):
159         form.instance.creator = self.request.user
160         return super().form_valid(form)
161 
162     def get_success_url(self):
163         return reverse("challenges:list")
164 
165 
166 class ExternalChallengeUpdate(
167     UserIsStaffMixin, SuccessMessageMixin, UpdateView
168 ):
169     model = ExternalChallenge
170     slug_field = "short_name__iexact"
171     slug_url_kwarg = "short_name"
172     form_class = ExternalChallengeUpdateForm
173     template_name_suffix = "_update"
174     success_message = "Challenge updated"
175 
176     def get_success_url(self):
177         return reverse("challenges:list")
178 
179 
180 class ExternalChallengeList(UserIsStaffMixin, ListView):
181     model = ExternalChallenge
182 
183 
184 class ExternalChallengeDelete(UserIsStaffMixin, DeleteView):
185     model = ExternalChallenge
186     slug_field = "short_name__iexact"
187     slug_url_kwarg = "short_name"
188     success_message = "External challenge was successfully deleted"
189 
190     def get_success_url(self):
191         return reverse("challenges:external-list")
192 
193     def delete(self, request, *args, **kwargs):
194         messages.success(self.request, self.success_message)
195         return super().delete(request, *args, **kwargs)
196
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/app/grandchallenge/challenges/views.py b/app/grandchallenge/challenges/views.py
--- a/app/grandchallenge/challenges/views.py
+++ b/app/grandchallenge/challenges/views.py
@@ -27,6 +27,7 @@
     UserIsStaffMixin,
 )
 from grandchallenge.core.templatetags.random_encode import random_encode
+from grandchallenge.datatables.views import Column, PaginatedTableListView
 from grandchallenge.subdomains.mixins import ChallengeSubdomainObjectMixin
 from grandchallenge.subdomains.utils import reverse
 
@@ -117,12 +118,33 @@
         return context
 
 
-class UsersChallengeList(UserIsNotAnonMixin, ListView):
+class UsersChallengeList(UserIsNotAnonMixin, PaginatedTableListView):
     model = Challenge
     template_name = "challenges/challenge_users_list.html"
+    row_template = "challenges/challenge_users_row.html"
+    search_fields = [
+        "title",
+        "short_name",
+        "description",
+    ]
+    columns = [
+        Column(title="Name", sort_field="short_name"),
+        Column(title="Created", sort_field="created"),
+        Column(title="Admins", sort_field="created"),
+        Column(title="Description", sort_field="description"),
+        Column(title="Automated Evaluation", sort_field="use_evaluation"),
+    ]
+    default_sort_column = 1
 
     def get_queryset(self):
-        queryset = super().get_queryset()
+        queryset = (
+            super()
+            .get_queryset()
+            .prefetch_related(
+                "admins_group__user_set__user_profile",
+                "admins_group__user_set__verification",
+            )
+        )
         if not self.request.user.is_superuser:
             queryset = queryset.filter(
                 Q(participants_group__in=self.request.user.groups.all())

{"golden_diff": "diff --git a/app/grandchallenge/challenges/views.py b/app/grandchallenge/challenges/views.py\n--- a/app/grandchallenge/challenges/views.py\n+++ b/app/grandchallenge/challenges/views.py\n@@ -27,6 +27,7 @@\n     UserIsStaffMixin,\n )\n from grandchallenge.core.templatetags.random_encode import random_encode\n+from grandchallenge.datatables.views import Column, PaginatedTableListView\n from grandchallenge.subdomains.mixins import ChallengeSubdomainObjectMixin\n from grandchallenge.subdomains.utils import reverse\n \n@@ -117,12 +118,33 @@\n         return context\n \n \n-class UsersChallengeList(UserIsNotAnonMixin, ListView):\n+class UsersChallengeList(UserIsNotAnonMixin, PaginatedTableListView):\n     model = Challenge\n     template_name = \"challenges/challenge_users_list.html\"\n+    row_template = \"challenges/challenge_users_row.html\"\n+    search_fields = [\n+        \"title\",\n+        \"short_name\",\n+        \"description\",\n+    ]\n+    columns = [\n+        Column(title=\"Name\", sort_field=\"short_name\"),\n+        Column(title=\"Created\", sort_field=\"created\"),\n+        Column(title=\"Admins\", sort_field=\"created\"),\n+        Column(title=\"Description\", sort_field=\"description\"),\n+        Column(title=\"Automated Evaluation\", sort_field=\"use_evaluation\"),\n+    ]\n+    default_sort_column = 1\n \n     def get_queryset(self):\n-        queryset = super().get_queryset()\n+        queryset = (\n+            super()\n+            .get_queryset()\n+            .prefetch_related(\n+                \"admins_group__user_set__user_profile\",\n+                \"admins_group__user_set__verification\",\n+            )\n+        )\n         if not self.request.user.is_superuser:\n             queryset = queryset.filter(\n                 Q(participants_group__in=self.request.user.groups.all())\n", "issue": "ChallengeList page should use pagination\nThis takes a while to load with many challenges and the Automated Evaluation boolean no longer works.\r\n\n", "before_files": [{"content": "from django.contrib import messages\nfrom django.contrib.messages.views import SuccessMessageMixin\nfrom django.core.paginator import EmptyPage, Paginator\nfrom django.db.models import Q\nfrom django.utils.html import format_html\nfrom django.views.generic import (\n    CreateView,\n    DeleteView,\n    ListView,\n    TemplateView,\n    UpdateView,\n)\n\nfrom grandchallenge.challenges.filters import ChallengeFilter\nfrom grandchallenge.challenges.forms import (\n    ChallengeCreateForm,\n    ChallengeUpdateForm,\n    ExternalChallengeUpdateForm,\n)\nfrom grandchallenge.challenges.models import (\n    Challenge,\n    ExternalChallenge,\n)\nfrom grandchallenge.core.permissions.mixins import (\n    UserIsChallengeAdminMixin,\n    UserIsNotAnonMixin,\n    UserIsStaffMixin,\n)\nfrom grandchallenge.core.templatetags.random_encode import random_encode\nfrom grandchallenge.subdomains.mixins import ChallengeSubdomainObjectMixin\nfrom grandchallenge.subdomains.utils import reverse\n\n\nclass ChallengeCreate(UserIsNotAnonMixin, SuccessMessageMixin, CreateView):\n    model = Challenge\n    form_class = ChallengeCreateForm\n    success_message = \"Challenge successfully created\"\n\n    def form_valid(self, form):\n        form.instance.creator = self.request.user\n        return super().form_valid(form)\n\n\nclass ChallengeList(TemplateView):\n    paginate_by = 40\n    template_name = \"challenges/challenge_list.html\"\n\n    @property\n    def _current_page(self):\n        return int(self.request.GET.get(\"page\", 1))\n\n    @property\n    def _filters_applied(self):\n        return any(k for k in self.request.GET if k.lower() != \"page\")\n\n    def _get_page(self):\n        self.int_filter = ChallengeFilter(\n            self.request.GET,\n            Challenge.objects.filter(hidden=False)\n            .prefetch_related(\"phase_set\", \"publications\")\n            .order_by(\"-created\"),\n        )\n        self.ext_filter = ChallengeFilter(\n            self.request.GET,\n            ExternalChallenge.objects.filter(hidden=False)\n            .prefetch_related(\"publications\")\n            .order_by(\"-created\"),\n        )\n\n        int_paginator = Paginator(self.int_filter.qs, self.paginate_by // 2)\n        ext_paginator = Paginator(self.ext_filter.qs, self.paginate_by // 2)\n\n        num_pages = max(int_paginator.num_pages, ext_paginator.num_pages)\n        num_results = int_paginator.count + ext_paginator.count\n\n        try:\n            int_page = int_paginator.page(self._current_page)\n        except EmptyPage:\n            int_page = []\n\n        try:\n            ext_page = ext_paginator.page(self._current_page)\n        except EmptyPage:\n            ext_page = []\n\n        return [*int_page, *ext_page], num_pages, num_results\n\n    def get_context_data(self, *, object_list=None, **kwargs):\n        context = super().get_context_data(**kwargs)\n\n        page_obj, num_pages, num_results = self._get_page()\n\n        context.update(\n            {\n                \"int_filter\": self.int_filter,\n                \"filters_applied\": self._filters_applied,\n                \"page_obj\": page_obj,\n                \"num_pages\": num_pages,\n                \"num_results\": num_results,\n                \"current_page\": self._current_page,\n                \"next_page\": self._current_page + 1,\n                \"previous_page\": self._current_page - 1,\n                \"jumbotron_title\": \"Challenges\",\n                \"jumbotron_description\": format_html(\n                    (\n                        \"Here is an overview of all challenges that have been \"\n                        \"organised within the area of medical image analysis \"\n                        \"that we are aware of. Please <a href='{}'>contact \"\n                        \"us</a> if you want to advertise your challenge or \"\n                        \"know of any study that would fit in this overview.\"\n                    ),\n                    random_encode(\"mailto:support@grand-challenge.org\"),\n                ),\n            }\n        )\n\n        return context\n\n\nclass UsersChallengeList(UserIsNotAnonMixin, ListView):\n    model = Challenge\n    template_name = \"challenges/challenge_users_list.html\"\n\n    def get_queryset(self):\n        queryset = super().get_queryset()\n        if not self.request.user.is_superuser:\n            queryset = queryset.filter(\n                Q(participants_group__in=self.request.user.groups.all())\n                | Q(admins_group__in=self.request.user.groups.all())\n            )\n        return queryset\n\n\nclass ChallengeUpdate(\n    UserIsChallengeAdminMixin,\n    SuccessMessageMixin,\n    ChallengeSubdomainObjectMixin,\n    UpdateView,\n):\n    model = Challenge\n    slug_field = \"short_name__iexact\"\n    slug_url_kwarg = \"challenge_short_name\"\n    form_class = ChallengeUpdateForm\n    success_message = \"Challenge successfully updated\"\n    template_name_suffix = \"_update\"\n\n\nclass ExternalChallengeCreate(\n    UserIsStaffMixin, SuccessMessageMixin, CreateView\n):\n    model = ExternalChallenge\n    form_class = ExternalChallengeUpdateForm\n    success_message = (\n        \"Your challenge has been successfully submitted. \"\n        \"An admin will review your challenge before it is published.\"\n    )\n\n    def form_valid(self, form):\n        form.instance.creator = self.request.user\n        return super().form_valid(form)\n\n    def get_success_url(self):\n        return reverse(\"challenges:list\")\n\n\nclass ExternalChallengeUpdate(\n    UserIsStaffMixin, SuccessMessageMixin, UpdateView\n):\n    model = ExternalChallenge\n    slug_field = \"short_name__iexact\"\n    slug_url_kwarg = \"short_name\"\n    form_class = ExternalChallengeUpdateForm\n    template_name_suffix = \"_update\"\n    success_message = \"Challenge updated\"\n\n    def get_success_url(self):\n        return reverse(\"challenges:list\")\n\n\nclass ExternalChallengeList(UserIsStaffMixin, ListView):\n    model = ExternalChallenge\n\n\nclass ExternalChallengeDelete(UserIsStaffMixin, DeleteView):\n    model = ExternalChallenge\n    slug_field = \"short_name__iexact\"\n    slug_url_kwarg = \"short_name\"\n    success_message = \"External challenge was successfully deleted\"\n\n    def get_success_url(self):\n        return reverse(\"challenges:external-list\")\n\n    def delete(self, request, *args, **kwargs):\n        messages.success(self.request, self.success_message)\n        return super().delete(request, *args, **kwargs)\n", "path": "app/grandchallenge/challenges/views.py"}], "after_files": [{"content": "from django.contrib import messages\nfrom django.contrib.messages.views import SuccessMessageMixin\nfrom django.core.paginator import EmptyPage, Paginator\nfrom django.db.models import Q\nfrom django.utils.html import format_html\nfrom django.views.generic import (\n    CreateView,\n    DeleteView,\n    ListView,\n    TemplateView,\n    UpdateView,\n)\n\nfrom grandchallenge.challenges.filters import ChallengeFilter\nfrom grandchallenge.challenges.forms import (\n    ChallengeCreateForm,\n    ChallengeUpdateForm,\n    ExternalChallengeUpdateForm,\n)\nfrom grandchallenge.challenges.models import (\n    Challenge,\n    ExternalChallenge,\n)\nfrom grandchallenge.core.permissions.mixins import (\n    UserIsChallengeAdminMixin,\n    UserIsNotAnonMixin,\n    UserIsStaffMixin,\n)\nfrom grandchallenge.core.templatetags.random_encode import random_encode\nfrom grandchallenge.datatables.views import Column, PaginatedTableListView\nfrom grandchallenge.subdomains.mixins import ChallengeSubdomainObjectMixin\nfrom grandchallenge.subdomains.utils import reverse\n\n\nclass ChallengeCreate(UserIsNotAnonMixin, SuccessMessageMixin, CreateView):\n    model = Challenge\n    form_class = ChallengeCreateForm\n    success_message = \"Challenge successfully created\"\n\n    def form_valid(self, form):\n        form.instance.creator = self.request.user\n        return super().form_valid(form)\n\n\nclass ChallengeList(TemplateView):\n    paginate_by = 40\n    template_name = \"challenges/challenge_list.html\"\n\n    @property\n    def _current_page(self):\n        return int(self.request.GET.get(\"page\", 1))\n\n    @property\n    def _filters_applied(self):\n        return any(k for k in self.request.GET if k.lower() != \"page\")\n\n    def _get_page(self):\n        self.int_filter = ChallengeFilter(\n            self.request.GET,\n            Challenge.objects.filter(hidden=False)\n            .prefetch_related(\"phase_set\", \"publications\")\n            .order_by(\"-created\"),\n        )\n        self.ext_filter = ChallengeFilter(\n            self.request.GET,\n            ExternalChallenge.objects.filter(hidden=False)\n            .prefetch_related(\"publications\")\n            .order_by(\"-created\"),\n        )\n\n        int_paginator = Paginator(self.int_filter.qs, self.paginate_by // 2)\n        ext_paginator = Paginator(self.ext_filter.qs, self.paginate_by // 2)\n\n        num_pages = max(int_paginator.num_pages, ext_paginator.num_pages)\n        num_results = int_paginator.count + ext_paginator.count\n\n        try:\n            int_page = int_paginator.page(self._current_page)\n        except EmptyPage:\n            int_page = []\n\n        try:\n            ext_page = ext_paginator.page(self._current_page)\n        except EmptyPage:\n            ext_page = []\n\n        return [*int_page, *ext_page], num_pages, num_results\n\n    def get_context_data(self, *, object_list=None, **kwargs):\n        context = super().get_context_data(**kwargs)\n\n        page_obj, num_pages, num_results = self._get_page()\n\n        context.update(\n            {\n                \"int_filter\": self.int_filter,\n                \"filters_applied\": self._filters_applied,\n                \"page_obj\": page_obj,\n                \"num_pages\": num_pages,\n                \"num_results\": num_results,\n                \"current_page\": self._current_page,\n                \"next_page\": self._current_page + 1,\n                \"previous_page\": self._current_page - 1,\n                \"jumbotron_title\": \"Challenges\",\n                \"jumbotron_description\": format_html(\n                    (\n                        \"Here is an overview of all challenges that have been \"\n                        \"organised within the area of medical image analysis \"\n                        \"that we are aware of. Please <a href='{}'>contact \"\n                        \"us</a> if you want to advertise your challenge or \"\n                        \"know of any study that would fit in this overview.\"\n                    ),\n                    random_encode(\"mailto:support@grand-challenge.org\"),\n                ),\n            }\n        )\n\n        return context\n\n\nclass UsersChallengeList(UserIsNotAnonMixin, PaginatedTableListView):\n    model = Challenge\n    template_name = \"challenges/challenge_users_list.html\"\n    row_template = \"challenges/challenge_users_row.html\"\n    search_fields = [\n        \"title\",\n        \"short_name\",\n        \"description\",\n    ]\n    columns = [\n        Column(title=\"Name\", sort_field=\"short_name\"),\n        Column(title=\"Created\", sort_field=\"created\"),\n        Column(title=\"Admins\", sort_field=\"created\"),\n        Column(title=\"Description\", sort_field=\"description\"),\n        Column(title=\"Automated Evaluation\", sort_field=\"use_evaluation\"),\n    ]\n    default_sort_column = 1\n\n    def get_queryset(self):\n        queryset = (\n            super()\n            .get_queryset()\n            .prefetch_related(\n                \"admins_group__user_set__user_profile\",\n                \"admins_group__user_set__verification\",\n            )\n        )\n        if not self.request.user.is_superuser:\n            queryset = queryset.filter(\n                Q(participants_group__in=self.request.user.groups.all())\n                | Q(admins_group__in=self.request.user.groups.all())\n            )\n        return queryset\n\n\nclass ChallengeUpdate(\n    UserIsChallengeAdminMixin,\n    SuccessMessageMixin,\n    ChallengeSubdomainObjectMixin,\n    UpdateView,\n):\n    model = Challenge\n    slug_field = \"short_name__iexact\"\n    slug_url_kwarg = \"challenge_short_name\"\n    form_class = ChallengeUpdateForm\n    success_message = \"Challenge successfully updated\"\n    template_name_suffix = \"_update\"\n\n\nclass ExternalChallengeCreate(\n    UserIsStaffMixin, SuccessMessageMixin, CreateView\n):\n    model = ExternalChallenge\n    form_class = ExternalChallengeUpdateForm\n    success_message = (\n        \"Your challenge has been successfully submitted. \"\n        \"An admin will review your challenge before it is published.\"\n    )\n\n    def form_valid(self, form):\n        form.instance.creator = self.request.user\n        return super().form_valid(form)\n\n    def get_success_url(self):\n        return reverse(\"challenges:list\")\n\n\nclass ExternalChallengeUpdate(\n    UserIsStaffMixin, SuccessMessageMixin, UpdateView\n):\n    model = ExternalChallenge\n    slug_field = \"short_name__iexact\"\n    slug_url_kwarg = \"short_name\"\n    form_class = ExternalChallengeUpdateForm\n    template_name_suffix = \"_update\"\n    success_message = \"Challenge updated\"\n\n    def get_success_url(self):\n        return reverse(\"challenges:list\")\n\n\nclass ExternalChallengeList(UserIsStaffMixin, ListView):\n    model = ExternalChallenge\n\n\nclass ExternalChallengeDelete(UserIsStaffMixin, DeleteView):\n    model = ExternalChallenge\n    slug_field = \"short_name__iexact\"\n    slug_url_kwarg = \"short_name\"\n    success_message = \"External challenge was successfully deleted\"\n\n    def get_success_url(self):\n        return reverse(\"challenges:external-list\")\n\n    def delete(self, request, *args, **kwargs):\n        messages.success(self.request, self.success_message)\n        return super().delete(request, *args, **kwargs)\n", "path": "app/grandchallenge/challenges/views.py"}]}