import cherrypy

class Root(object):
    
    @cherrypy.expose
    @cherrypy.tools.json_out()
    def json(self):
        return {"message":"Hello, world!"}

app = cherrypy.tree.mount(Root())
cherrypy.log.screen = False

@@ -10,16 +10,17 @@
 errypy%0A%0A
+%0A
 class Ro
@@ -31,20 +31,16 @@
 bject):%0A
-    
 %0A    @ch
@@ -130,16 +130,17 @@
 essage%22:
+ 
 %22Hello, 
@@ -149,16 +149,17 @@
 rld!%22%7D%0A%0A
+%0A
 app = ch

Resolve PEP8 violations