fix bug with git push working after formation destroy

Author: Gabriel Monroy

api/views.py

@@ -173,6 +173,7 @@ def converge(self, request, **kwargs):
     def destroy(self, request, **kwargs):
         formation = self.get_object()
         formation.destroy()
+        tasks.converge_controller.delay().wait()
         return Response(status=status.HTTP_204_NO_CONTENT)