Use a standard login handler

Is there any reason to not use the standard login decorator?

symposion/speakers/views.py

@@ -71,29 +71,26 @@ def speaker_create_staff(request, pk):
     })
 
 
+@login_required
 def speaker_create_token(request, token):
     speaker = get_object_or_404(Speaker, invite_token=token)
     request.session["pending-token"] = token
-    if request.user.is_authenticated():
-        # check for speaker profile
-        try:
-            existing_speaker = request.user.speaker_profile
-        except ObjectDoesNotExist:
-            pass
-        else:
-            del request.session["pending-token"]
-            additional_speakers = ProposalBase.additional_speakers.through
-            additional_speakers._default_manager.filter(
-                speaker=speaker
-            ).update(
-                speaker=existing_speaker
-            )
-            messages.info(request, _("You have been associated with all pending "
-                                     "talk proposals"))
-            return redirect("dashboard")
+    # check for speaker profile
+    try:
+        existing_speaker = request.user.speaker_profile
+    except ObjectDoesNotExist:
+        pass
     else:
-        if not request.user.is_authenticated():
-            return redirect("account_login")
+        del request.session["pending-token"]
+        additional_speakers = ProposalBase.additional_speakers.through
+        additional_speakers._default_manager.filter(
+            speaker=speaker
+        ).update(
+            speaker=existing_speaker
+        )
+        messages.info(request, _("You have been associated with all pending "
+                                 "talk proposals"))
+        return redirect("dashboard")
     return redirect("speaker_create")