Remove extra 'pass'es in exception classes.
Remove extra 'pass'es in exception classes.



git-svn-id: 8607071282eeb3c2ff0712e70722e1d7dc02fb44@3 09200d28-7f98-11dd-ad27-0f66e57d2035

objectsoul/ipaddr-py,google/ipaddr-py,objectsoul/ipaddr-py