Created Reply model and Added author field in Post and Reply model.

widget_jupert/forum/models.py

 from django.db import models
-
+from homepage.models import WidgetUser
 # Create your models here.
 class Post(models.Model):
     post_title = models.CharField(max_length=50)
     post_body = models.CharField(max_length=500)
     pub_date = models.DateTimeField("date published")
 
+    author = models.ForeignKey(WidgetUser, on_delete=models.CASCADE, default=1)
+
     def __str__(self):
-        return self.post_title
+        return self.post_title  
\ No newline at end of file
+
+class Reply(models.Model):
+    post = models.ForeignKey(Post, on_delete=models.CASCADE, default=1)
+    reply_body = models.CharField(max_length=250)
+    pub_date = models.DateTimeField("date published")
+
+    author = models.ForeignKey(WidgetUser, on_delete=models.CASCADE, default=1)