diff --git a/solvable/src/demo/app.py b/solvable/src/demo/app.py
index 412f1e1..0caf0ef 100644
--- a/solvable/src/demo/app.py
+++ b/solvable/src/demo/app.py
@@ -1,6 +1,6 @@
 import sys
-import tornado
 import zmq
+import tornado
 from tornado.ioloop import IOLoop
 
 from sql_injection_fsm import SQLInjectionFSM