Don't print status if it's None

cccli/command/command.py

@@ -215,5 +215,6 @@ class TqlCommand(OptionCommand):
 
     def print_status(self, outputlist):
         '''Display status from an object list '''
-        for o in outputlist:
-            self.print_tags(o[1][1])
+        if outputlist is not None:
+            for o in outputlist:
+                self.print_tags(o[1][1])