Fixed for Travis CI

i3pystatus/updates/yaourt.py

@@ -7,6 +7,7 @@ some packeges might be counted twice.
 from i3pystatus.core.command import run_through_shell
 from i3pystatus.updates import Backend
 
+
 class Yaourt(Backend):
 
     @property
@@ -14,4 +15,4 @@ class Yaourt(Backend):
         command = ["yaourt", "-Qua"]
         checkupdates = run_through_shell(command)
         return checkupdates.out.count('\n')
-Backend = Yaourt
+Backend = Yaourt