Changed course to foreignkey

widget_vincentdjango/widget_calendar/models.py

 from django.db import models
+from widget_vincentdjango.assignments.models import Course
 from datetime import datetime
 
 
@@ -14,7 +15,11 @@ class Event(models.Model):
     target_datetime = models.DateTimeField(default=datetime.now())
     activity = models.CharField(max_length=100, default="")
     estimated_hours = models.FloatField(default=0)
-    course = models.CharField(max_length=100, default="")
+    course = models.ForeignKey(
+        Course,
+        on_delete=models.CASCADE,
+        related_name='Section'
+    )
     location = models.ForeignKey(
         Location,
         on_delete=models.CASCADE,