assorted pyflakes fixes I (re-)discovered pyflakes today and ran it over to roundup code to see what it had to say. It reported a ton of "imported module foo but you're not actually using it" warnings and a couple of actual errors that this patch fixes. The code was wrong but it was mostly stuff that never gets executed...like hyperdb.Choice.

; This is a sample configuration file for roundup-server. See the
; admin_guide for information about its contents.
[main]
port = 8080
;hostname = 
;user = 
;group = 
;log_ip = yes
;pidfile = 
;logfile = 
;template =
;ssl = no
;pem =


; Add one of these per tracker being served
[trackers]
home = /path/to/tracker