diff --git a/demos/helloworld/helloworld_bottle.py b/demos/helloworld/helloworld_bottle.py
index 6c018d8e8e..1ad089b512 100755
--- a/demos/helloworld/helloworld_bottle.py
+++ b/demos/helloworld/helloworld_bottle.py
@@ -17,7 +17,6 @@
 # under the License.
 
 import sys
-
 from cyclone.bottle import run, route
 
 
diff --git a/demos/helloworld/helloworld_twistd.py b/demos/helloworld/helloworld_twistd.py
index 6dab6b3b5e..1a7ffda16f 100755
--- a/demos/helloworld/helloworld_twistd.py
+++ b/demos/helloworld/helloworld_twistd.py
@@ -17,7 +17,8 @@
 # under the License.
 
 import cyclone.web
-from twisted.application import service, internet
+from twisted.application import internet
+from twisted.application import service
 
 
 class MainHandler(cyclone.web.RequestHandler):