Fix broken migration

Author: justin-f-perez

fitapp/migrations/0001_initial.py

@@ -66,13 +66,14 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='timeseriesdata',
             name='resource_type',
-            field=models.ForeignKey(to='fitapp.TimeSeriesDataType'),
+            field=models.ForeignKey(to='fitapp.TimeSeriesDataType', on_delete=models.CASCADE),
             preserve_default=True,
         ),
         migrations.AddField(
             model_name='timeseriesdata',
             name='user',
-            field=models.ForeignKey(to=UserModel, help_text="The data's user"),
+            field=models.ForeignKey(to=UserModel, help_text="The data's user",
+                                    on_delete=models.CASCADE),
             preserve_default=True,
         ),
         migrations.AddField(