Python, converte 9 tuple di date UTC in formato MySQL datetime

tup = (2009, 3, 23, 13, 6, 34, 0, 82, 0)
import datetime 
d = datetime.datetime(*(tup[0:6]))
#two equivalent ways to format it:
dStr = d.isoformat(' ')
#or
dStr = d.strftime('%Y-%m-%d %H:%M:%S')