Fix attachment command

cccli/commands/attachment.py

@@ -43,7 +43,7 @@ class Command_attachment(TqlCommand):
         objs = self.rpc.call("attachment", self.args[0], self.args[1])
         for out in objs['objects']:
             if out['status'] == 'success':
-                self.printer.pager(f_output)
+                self.printer.pager(out['output'])
             else:
                 self.printer.warn('%s: %s' % (out['id'], out['message']))