added receiver on Rower change (removes teams)

rowers/models.py

@@ -230,6 +230,13 @@ class Rower(models.Model):
     def clean_email(self):
         return self.user.email.lower()
 
+@receiver(models.signals.post_save,sender=Rower)
+def auto_delete_teams_on_change(sender, instance, **kwargs):
+    if instance.rowerplan != 'coach':
+        teams = Team.objects.filter(manager=instance.user)
+        for team in teams:
+            team.delete()
+    
 # Saving a chart as a favorite chart
 class FavoriteChart(models.Model):
     y1params = (