-----------------------------------
#!/usr/bin/python

import threading,time

class BT(threading.Thread):
    def __init__(self):
        threading.Thread.__init__(self)
    def run(self):
        time.sleep(1)

b = BT()

b.start()
time.sleep(2)
b.start()

-----------------------------------

[root@sapr01-gtpsam client]# python test.py
Traceback (most recent call last):
  File "test.py", line 15, in <module>
    b.start()
  File "/usr/lib64/python2.6/threading.py", line 465, in start
    raise RuntimeError("thread already started")
RuntimeError: thread already started

-----------------------------------

Отсюда вопрос, как перезапустить тред ???