Fix broken import

shiftregister/team/views.py

@@ -106,13 +106,10 @@ def shift_detail(request, pk):
                     "Helfer ist bereits für diese Schicht angemeldet",
                 )
             return redirect("team:shift", pk=shift.pk)
-    # break potential cyclic imports
-    from shiftregister.signage.forms import TeamBackupForm
 
     context = {
         "shift": shift,
         "add_helper_form": form,
-        "backup_form": TeamBackupForm(),
     }
     return render(request, "shift_detail.html", context)