Try to fix: DeprecationWarning: invalid escape sequence \d DeprecationWarning: invalid escape sequence \s DeprecationWarning: invalid escape sequence \) Strings under python 3 are unicode strings rather then "regular" strings as under python 2. So all regexps need to be raw strings. We will see how many I fixed and if I broke any.

def init_severity(db, cl, nodeid, newvalues):
    """Make sure severity is set on new issues"""
    if 'severity' in newvalues and newvalues['severity']:
        return

    normal = db.severity.lookup('normal')
    newvalues['severity'] = normal

def init(db):
    db.issue.audit('create', init_severity)