Update models.py

widget_group3/widget_group3/models.py

 from django.db import models
 from django.urls import reverse
+from django.utils import timezone
 
 
 class Forum(models.Model):
     post_title = models.CharField(max_length=50)
     post_body = models.CharField(max_length=100)
-    pub_date = models.DateTimeField(auto_now_add=True)
+    pub_date = timezone.now()
 
     def __str__(self):
         return self.post_title