prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Fix delete permissions for course registration
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `make_queue/views/admin/course.py`
  Content:
  ```
  1 import io
  2 
  3 import xlsxwriter
  4 from django.contrib.auth.mixins import PermissionRequiredMixin
  5 from django.db.models import Q
  6 from django.http import HttpResponse
  7 from django.shortcuts import redirect
  8 from django.urls import reverse
  9 from django.views.generic import TemplateView, View, CreateView, UpdateView, DeleteView
  10 
  11 from make_queue.forms import Printer3DCourseForm
  12 from make_queue.models.course import Printer3DCourse
  13 
  14 
  15 class CourseView(TemplateView):
  16     template_name = "make_queue/course/course_panel.html"
  17 
  18     def get_context_data(self, **kwargs):
  19         context_data = super().get_context_data(**kwargs)
  20         context_data.update({
  21             "registrations": Printer3DCourse.objects.order_by("name"),
  22             "possible_statuses": Printer3DCourse.STATUS_CHOICES,
  23         })
  24         return context_data
  25 
  26 
  27 class CreateRegistrationView(PermissionRequiredMixin, CreateView):
  28     is_next = False
  29     model = Printer3DCourse
  30     form_class = Printer3DCourseForm
  31     template_name = "make_queue/course/registration_create.html"
  32     permission_required = (
  33         "make_queue.add_printer3dcourse",
  34     )
  35 
  36     def get_context_data(self, **kwargs):
  37         context_data = super().get_context_data(**kwargs)
  38         if self.is_next:
  39             context_data["is_next"] = True
  40         return context_data
  41 
  42     def get_success_url(self):
  43         return reverse("create_course_registration_success")
  44 
  45 
  46 class EditRegistrationView(PermissionRequiredMixin, UpdateView):
  47     model = Printer3DCourse
  48     form_class = Printer3DCourseForm
  49     template_name = "make_queue/course/registration_edit.html"
  50     permission_required = (
  51         "make_queue.change_printer3dcourse",
  52     )
  53 
  54     def get_success_url(self):
  55         return reverse("course_panel")
  56 
  57 
  58 class DeleteRegistrationView(PermissionRequiredMixin, DeleteView):
  59     model = Printer3DCourse
  60     permission_required = (
  61         "make_queue.delete_printer3d_course",
  62     )
  63 
  64     def get_success_url(self):
  65         return reverse("course_panel")
  66 
  67 
  68 class BulkStatusUpdate(View):
  69     """
  70     Provides a method for bulk updating the status of course registrations
  71     """
  72 
  73     def post(self, request):
  74         status = request.POST.get("status")
  75         registrations = list(map(int, request.POST.getlist("users")))
  76         Printer3DCourse.objects.filter(pk__in=registrations).update(status=status)
  77 
  78         return redirect("course_panel")
  79 
  80 
  81 class CourseXLSXView(View):
  82 
  83     def post(self, request):
  84         search_string = request.POST.get("search_text")
  85         status_filter = request.POST.get("status_filter")
  86 
  87         course_registrations = Printer3DCourse.objects.filter(
  88             Q(username__icontains=search_string) | Q(name__icontains=search_string), status__icontains=status_filter)
  89 
  90         # Use an in-memory output file, to avoid having to clean up the disk
  91         output_file = io.BytesIO()
  92 
  93         workbook = xlsxwriter.Workbook(output_file, {"in_memory": True})
  94         worksheet = workbook.add_worksheet("Kursdeltagere")
  95 
  96         # Styles
  97         format_header = workbook.add_format({
  98             "bold": True,
  99             "font_size": 10,
  100             "font_name": "Arial",
  101             "font_color": "#000000",
  102             "bg_color": "#f8c700",
  103             "border": 1,
  104             "border_color": "#000000",
  105         })
  106 
  107         format_row = workbook.add_format({
  108             "font_size": 10,
  109             "font_name": "Arial",
  110             "font_color": "#000000",
  111             "bg_color": "#fff2cc",
  112             "border": 1,
  113             "border_color": "#000000",
  114         })
  115 
  116         # Set column width
  117         worksheet.set_column("A:A", 40)
  118         worksheet.set_column("B:B", 20)
  119         worksheet.set_column("C:C", 15)
  120         worksheet.set_column("D:D", 10)
  121 
  122         # Header
  123         worksheet.write(0, 0, "Navn", format_header)
  124         worksheet.write(0, 1, "Brukernavn", format_header)
  125         worksheet.write(0, 2, "Kortnummer", format_header)
  126         worksheet.write(0, 3, "Dato", format_header)
  127 
  128         for index, registration in enumerate(course_registrations):
  129             worksheet.write(index + 1, 0, registration.name, format_row)
  130             worksheet.write(index + 1, 1, registration.username, format_row)
  131             worksheet.write(index + 1, 2, registration.card_number if registration.card_number is not None else "",
  132                             format_row)
  133             worksheet.write(index + 1, 3, registration.date.strftime("%Y-%m-%d"), format_row)
  134 
  135         workbook.close()
  136         output_file.seek(0)
  137 
  138         response = HttpResponse(output_file.read(),
  139                                 content_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
  140 
  141         response['Content-Disposition'] = 'attachment; filename="Kursdeltagere.xlsx"'
  142 
  143         return response
  144
  ```
  --- 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()
  
  ```
  
golden_diff: diff --git a/make_queue/views/admin/course.py b/make_queue/views/admin/course.py
  --- a/make_queue/views/admin/course.py
  +++ b/make_queue/views/admin/course.py
  @@ -58,7 +58,7 @@
   class DeleteRegistrationView(PermissionRequiredMixin, DeleteView):
       model = Printer3DCourse
       permission_required = (
  -        "make_queue.delete_printer3d_course",
  +        "make_queue.delete_printer3dcourse",
       )
   
       def get_success_url(self):
  
verification_info: {"golden_diff": "diff --git a/make_queue/views/admin/course.py b/make_queue/views/admin/course.py\n--- a/make_queue/views/admin/course.py\n+++ b/make_queue/views/admin/course.py\n@@ -58,7 +58,7 @@\n class DeleteRegistrationView(PermissionRequiredMixin, DeleteView):\n     model = Printer3DCourse\n     permission_required = (\n-        \"make_queue.delete_printer3d_course\",\n+        \"make_queue.delete_printer3dcourse\",\n     )\n \n     def get_success_url(self):\n", "issue": "Fix delete permissions for course registration\n\n", "before_files": [{"content": "import io\n\nimport xlsxwriter\nfrom django.contrib.auth.mixins import PermissionRequiredMixin\nfrom django.db.models import Q\nfrom django.http import HttpResponse\nfrom django.shortcuts import redirect\nfrom django.urls import reverse\nfrom django.views.generic import TemplateView, View, CreateView, UpdateView, DeleteView\n\nfrom make_queue.forms import Printer3DCourseForm\nfrom make_queue.models.course import Printer3DCourse\n\n\nclass CourseView(TemplateView):\n    template_name = \"make_queue/course/course_panel.html\"\n\n    def get_context_data(self, **kwargs):\n        context_data = super().get_context_data(**kwargs)\n        context_data.update({\n            \"registrations\": Printer3DCourse.objects.order_by(\"name\"),\n            \"possible_statuses\": Printer3DCourse.STATUS_CHOICES,\n        })\n        return context_data\n\n\nclass CreateRegistrationView(PermissionRequiredMixin, CreateView):\n    is_next = False\n    model = Printer3DCourse\n    form_class = Printer3DCourseForm\n    template_name = \"make_queue/course/registration_create.html\"\n    permission_required = (\n        \"make_queue.add_printer3dcourse\",\n    )\n\n    def get_context_data(self, **kwargs):\n        context_data = super().get_context_data(**kwargs)\n        if self.is_next:\n            context_data[\"is_next\"] = True\n        return context_data\n\n    def get_success_url(self):\n        return reverse(\"create_course_registration_success\")\n\n\nclass EditRegistrationView(PermissionRequiredMixin, UpdateView):\n    model = Printer3DCourse\n    form_class = Printer3DCourseForm\n    template_name = \"make_queue/course/registration_edit.html\"\n    permission_required = (\n        \"make_queue.change_printer3dcourse\",\n    )\n\n    def get_success_url(self):\n        return reverse(\"course_panel\")\n\n\nclass DeleteRegistrationView(PermissionRequiredMixin, DeleteView):\n    model = Printer3DCourse\n    permission_required = (\n        \"make_queue.delete_printer3d_course\",\n    )\n\n    def get_success_url(self):\n        return reverse(\"course_panel\")\n\n\nclass BulkStatusUpdate(View):\n    \"\"\"\n    Provides a method for bulk updating the status of course registrations\n    \"\"\"\n\n    def post(self, request):\n        status = request.POST.get(\"status\")\n        registrations = list(map(int, request.POST.getlist(\"users\")))\n        Printer3DCourse.objects.filter(pk__in=registrations).update(status=status)\n\n        return redirect(\"course_panel\")\n\n\nclass CourseXLSXView(View):\n\n    def post(self, request):\n        search_string = request.POST.get(\"search_text\")\n        status_filter = request.POST.get(\"status_filter\")\n\n        course_registrations = Printer3DCourse.objects.filter(\n            Q(username__icontains=search_string) | Q(name__icontains=search_string), status__icontains=status_filter)\n\n        # Use an in-memory output file, to avoid having to clean up the disk\n        output_file = io.BytesIO()\n\n        workbook = xlsxwriter.Workbook(output_file, {\"in_memory\": True})\n        worksheet = workbook.add_worksheet(\"Kursdeltagere\")\n\n        # Styles\n        format_header = workbook.add_format({\n            \"bold\": True,\n            \"font_size\": 10,\n            \"font_name\": \"Arial\",\n            \"font_color\": \"#000000\",\n            \"bg_color\": \"#f8c700\",\n            \"border\": 1,\n            \"border_color\": \"#000000\",\n        })\n\n        format_row = workbook.add_format({\n            \"font_size\": 10,\n            \"font_name\": \"Arial\",\n            \"font_color\": \"#000000\",\n            \"bg_color\": \"#fff2cc\",\n            \"border\": 1,\n            \"border_color\": \"#000000\",\n        })\n\n        # Set column width\n        worksheet.set_column(\"A:A\", 40)\n        worksheet.set_column(\"B:B\", 20)\n        worksheet.set_column(\"C:C\", 15)\n        worksheet.set_column(\"D:D\", 10)\n\n        # Header\n        worksheet.write(0, 0, \"Navn\", format_header)\n        worksheet.write(0, 1, \"Brukernavn\", format_header)\n        worksheet.write(0, 2, \"Kortnummer\", format_header)\n        worksheet.write(0, 3, \"Dato\", format_header)\n\n        for index, registration in enumerate(course_registrations):\n            worksheet.write(index + 1, 0, registration.name, format_row)\n            worksheet.write(index + 1, 1, registration.username, format_row)\n            worksheet.write(index + 1, 2, registration.card_number if registration.card_number is not None else \"\",\n                            format_row)\n            worksheet.write(index + 1, 3, registration.date.strftime(\"%Y-%m-%d\"), format_row)\n\n        workbook.close()\n        output_file.seek(0)\n\n        response = HttpResponse(output_file.read(),\n                                content_type=\"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet\")\n\n        response['Content-Disposition'] = 'attachment; filename=\"Kursdeltagere.xlsx\"'\n\n        return response\n", "path": "make_queue/views/admin/course.py"}], "after_files": [{"content": "import io\n\nimport xlsxwriter\nfrom django.contrib.auth.mixins import PermissionRequiredMixin\nfrom django.db.models import Q\nfrom django.http import HttpResponse\nfrom django.shortcuts import redirect\nfrom django.urls import reverse\nfrom django.views.generic import TemplateView, View, CreateView, UpdateView, DeleteView\n\nfrom make_queue.forms import Printer3DCourseForm\nfrom make_queue.models.course import Printer3DCourse\n\n\nclass CourseView(TemplateView):\n    template_name = \"make_queue/course/course_panel.html\"\n\n    def get_context_data(self, **kwargs):\n        context_data = super().get_context_data(**kwargs)\n        context_data.update({\n            \"registrations\": Printer3DCourse.objects.order_by(\"name\"),\n            \"possible_statuses\": Printer3DCourse.STATUS_CHOICES,\n        })\n        return context_data\n\n\nclass CreateRegistrationView(PermissionRequiredMixin, CreateView):\n    is_next = False\n    model = Printer3DCourse\n    form_class = Printer3DCourseForm\n    template_name = \"make_queue/course/registration_create.html\"\n    permission_required = (\n        \"make_queue.add_printer3dcourse\",\n    )\n\n    def get_context_data(self, **kwargs):\n        context_data = super().get_context_data(**kwargs)\n        if self.is_next:\n            context_data[\"is_next\"] = True\n        return context_data\n\n    def get_success_url(self):\n        return reverse(\"create_course_registration_success\")\n\n\nclass EditRegistrationView(PermissionRequiredMixin, UpdateView):\n    model = Printer3DCourse\n    form_class = Printer3DCourseForm\n    template_name = \"make_queue/course/registration_edit.html\"\n    permission_required = (\n        \"make_queue.change_printer3dcourse\",\n    )\n\n    def get_success_url(self):\n        return reverse(\"course_panel\")\n\n\nclass DeleteRegistrationView(PermissionRequiredMixin, DeleteView):\n    model = Printer3DCourse\n    permission_required = (\n        \"make_queue.delete_printer3dcourse\",\n    )\n\n    def get_success_url(self):\n        return reverse(\"course_panel\")\n\n\nclass BulkStatusUpdate(View):\n    \"\"\"\n    Provides a method for bulk updating the status of course registrations\n    \"\"\"\n\n    def post(self, request):\n        status = request.POST.get(\"status\")\n        registrations = list(map(int, request.POST.getlist(\"users\")))\n        Printer3DCourse.objects.filter(pk__in=registrations).update(status=status)\n\n        return redirect(\"course_panel\")\n\n\nclass CourseXLSXView(View):\n\n    def post(self, request):\n        search_string = request.POST.get(\"search_text\")\n        status_filter = request.POST.get(\"status_filter\")\n\n        course_registrations = Printer3DCourse.objects.filter(\n            Q(username__icontains=search_string) | Q(name__icontains=search_string), status__icontains=status_filter)\n\n        # Use an in-memory output file, to avoid having to clean up the disk\n        output_file = io.BytesIO()\n\n        workbook = xlsxwriter.Workbook(output_file, {\"in_memory\": True})\n        worksheet = workbook.add_worksheet(\"Kursdeltagere\")\n\n        # Styles\n        format_header = workbook.add_format({\n            \"bold\": True,\n            \"font_size\": 10,\n            \"font_name\": \"Arial\",\n            \"font_color\": \"#000000\",\n            \"bg_color\": \"#f8c700\",\n            \"border\": 1,\n            \"border_color\": \"#000000\",\n        })\n\n        format_row = workbook.add_format({\n            \"font_size\": 10,\n            \"font_name\": \"Arial\",\n            \"font_color\": \"#000000\",\n            \"bg_color\": \"#fff2cc\",\n            \"border\": 1,\n            \"border_color\": \"#000000\",\n        })\n\n        # Set column width\n        worksheet.set_column(\"A:A\", 40)\n        worksheet.set_column(\"B:B\", 20)\n        worksheet.set_column(\"C:C\", 15)\n        worksheet.set_column(\"D:D\", 10)\n\n        # Header\n        worksheet.write(0, 0, \"Navn\", format_header)\n        worksheet.write(0, 1, \"Brukernavn\", format_header)\n        worksheet.write(0, 2, \"Kortnummer\", format_header)\n        worksheet.write(0, 3, \"Dato\", format_header)\n\n        for index, registration in enumerate(course_registrations):\n            worksheet.write(index + 1, 0, registration.name, format_row)\n            worksheet.write(index + 1, 1, registration.username, format_row)\n            worksheet.write(index + 1, 2, registration.card_number if registration.card_number is not None else \"\",\n                            format_row)\n            worksheet.write(index + 1, 3, registration.date.strftime(\"%Y-%m-%d\"), format_row)\n\n        workbook.close()\n        output_file.seek(0)\n\n        response = HttpResponse(output_file.read(),\n                                content_type=\"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet\")\n\n        response['Content-Disposition'] = 'attachment; filename=\"Kursdeltagere.xlsx\"'\n\n        return response\n", "path": "make_queue/views/admin/course.py"}]}