bug: cleaner error message on OptionUnsetError in initialize We got a scary traceback when a: roundup.configuration.OptionUnsetError exception was raised during tracker.init(). Capture the exception and raise a UsageError that is printed more cleanly. It now reads: Error: In tracker/config.ini - MAIL_DOMAIN is not set and has no default

#!/usr/bin/env python

# Roundup requires Python 2.7+ as mentioned in doc\installation.txt
from __future__ import print_function
import sys

VERSION_NEEDED = (2, 7)

if sys.version_info < VERSION_NEEDED:
    print("Content-Type: text/plain\n")
    print("Roundup requires Python %s.%s or newer." % VERSION_NEEDED)
    sys.exit(0)