only apply jobs if defined

deis · Jul 25, 2013 · 959c79c · 959c79c
1 parent a09d60e
commit 959c79c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/api/models.py b/api/models.py
@@ -429,7 +429,8 @@ def destroy(self):
         # create subtasks to terminate all nodes in parallel
         subtasks.extend([ layer.destroy() for layer in self.layer_set.all() ])
         job = group(*subtasks)
-        job.apply_async().join() # block for termination
+        if job:
+            job.apply_async().join() # block for termination
 
 
 @python_2_unicode_compatible