changed condition from NULL to None

widget_group22/forum/views.py

 from django.shortcuts import render
 from . import models
-from asyncio.windows_events import NULL
+#from asyncio.windows_events import NULL
 from django.http import HttpResponse
 
 def displayForumPosts(request):
@@ -24,7 +24,7 @@ def displayForumPosts(request):
             R_body = Reply.reply_body
             R_pub_date = Reply.pub_date
 
-            if ReplytoPost == P_title and R_body != NULL:
+            if ReplytoPost == P_title and R_body != None:
                 ReplyThread = (
                               "<br> Reply by <i>" + str(Reply.author.first_name) + " " + str(Reply.author.last_name) + 
                               "</i> dated " + str(R_pub_date) + ": <br>" + R_body