def mktime_tz(data):
if data[<NUM_LIT:9>] is None:<EOL><INDENT>return time.mktime(data[:<NUM_LIT:8>] + (-<NUM_LIT:1>,))<EOL><DEDENT>else:<EOL><INDENT>t = time.mktime(data[:<NUM_LIT:8>] + (<NUM_LIT:0>,))<EOL>return t - data[<NUM_LIT:9>] - time.timezone<EOL><DEDENT>
Turn a 10-tuple as returned by parsedate_tz() into a UTC timestamp.