postconn = mysql.connector.connect(user='root', password='Infinity8', host='127.0.0.1', database='geodb')
postcursor = postconn.cursor() # creating cursor
....
print ("currently selected ID: ", mydata[0])
sql_update_flag = """ UPDATE REQUESTS SET fl_ready = {0} WHERE request_id={1} """.format(set_flag, current_id)
print (sql_update_flag)
print ("Before commit")
currSrc.execute(sql_update_flag)
print "after commit"
connSrc.commit()