chore(ruff): use names not magic numbers. This one names the 32 chars as being equivalent to 256 bytes Also adds the missing http_.client.TOO_MANY_REQUESTS under python 2 to http_. It allows me to use a symbolic name and not have to touch client.py code when I remove python2 support from http_. Also the prior checkin had a bogus commit message. Sigh, time to step away from the computer today 8-). It replaced a magic number with MAX_MIME_EXTENSION_LENGTH which was set to a better magic number derived by parsing extensions in /etc/mime.types.

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)