Added correct imports and fixed miscellaneous issues.

widget_robo_mommy/announcements/templates/announcements/announcements.html

@@ -15,7 +15,7 @@
 
     <a href = "/Dashboard/">Dashboard</a><br>
     <a href = "/forum/">Forum</a><br>
-    <a href = "/Assignments/">Assignments</a><br>
+    <a href = "/assignments/">Assignments</a><br>
     <a href = "/widget_Calendar/">Calendar</a>
 
 {% endblock content %}
\ No newline at end of file

widget_robo_mommy/announcements/urls.py

 from django.urls import path
-from .views import index
+from .views import index, AnnouncementDetailView, AnnouncementAddView, AnnouncementEditView
 
 urlpatterns = [
     path('announcements/', index, name='index'),
     path('announcements/<int:pk>/details/', AnnouncementDetailView.as_view(), name='announcement-detail'),
-    path('announcements/add/', AnnouncementDetailView.as_view(), name='announcement-add'),
-    path('announcements/<int:pk>/edit/', AnnouncementDetailView.as_view(), name='announcement-edit'),
+    path('announcements/add/', AnnouncementAddView.as_view(), name='announcement-add'),
+    path('announcements/<int:pk>/edit/', AnnouncementEditView.as_view(), name='announcement-edit'),
 ]
 
 app_name = "announcements"
\ No newline at end of file

widget_robo_mommy/announcements/views.py

 from django.shortcuts import render
-from django.http import HttpResponse
+from django.views.generic.detail import DetailView
+from django.views.generic.edit import CreateView, UpdateView
 from .models import Announcement, Reaction
 import pytz
 from django.utils import timezone
@@ -20,13 +21,13 @@ def index(request):
     
     return render(request, 'announcements/announcements.html', context)
 
-class AnnouncementDetailView(DetailView)
+class AnnouncementDetailView(DetailView):
     model = Announcement
     template_name = 'announcements/announcement-detail.html'
-    queryset = Annoucement.objects.all()
+    queryset = Announcement.objects.all()
     context_object_name = 'annoucement-details'
 
-class AnnouncementAddView(CreateView)
+class AnnouncementAddView(CreateView):
     model = Announcement
     fields = '__all__'
     template_name = 'announcement-add.html'
@@ -35,7 +36,7 @@ class AnnouncementAddView(CreateView)
         return reverse('announcement:announcementdetailview', kwargs={'pk': self.object.id},
             current_app=self.request.resolver_match.namespace)
 
-class AnnouncementEditView(UpdateView)
+class AnnouncementEditView(UpdateView):
     model = Announcement
     template_name = 'announcements/announcement-edit'