Transform of NortelChassis

import re
match = re.search('threshold of NortelChassis status [^:]+: current value ([\d\.]+)', evt.message)
if match and device:
    value = match.groups()[0]
    if value == '7.00':
        evt.summary = "Stack Member Doing a Self Test"
        evt.severity = 3
    elif value == '8.00':
        evt.summary = "Stack Member Operating at Warning Level"
        evt.severity = 4
    elif value == '9.00':
        evt.summary = "Stack Member Operating at Error Level"
        evt.severity = 5
    elif value == '10.00':
        evt.summary = "Stack Member Error Stopped Operation"
        evt.severity = 5
    elif value == '11.00':
        evt.summary = "Stack Member Module Needs to be Configured"
        evt.severity = 3
    elif value == '12.00':
        evt.summary = "Stack Member Installed Module is Obsoleted"
        evt.severity = 3