Flakes.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13596 e27351fd-9f3e-4f54-a53b-843176b1656c
Remove unneeded deferreds.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13597 e27351fd-9f3e-4f54-a53b-843176b1656c
Remove unneeded deferreds.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13598 e27351fd-9f3e-4f54-a53b-843176b1656c
Pyflakes.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13599 e27351fd-9f3e-4f54-a53b-843176b1656c