Attempt to return socket to pool when thread dies

reaper.py

import thread
from thread import _local as local
import time

class Reaper(object):
    def __init__(self, pool, sock):
        self.pool = pool
        self.sock = sock
    def __del__(self):
        print 'E.__del__'
        self.pool.return_socket(self.sock)

class Pool(local):
    reaper = None
    def return_socket(self, sock):
        print 'return_socket', sock

p = Pool()

def run():
    sock = 'sock'
    p.reaper = Reaper(p, sock)
    print 'doing stuff in thread'
    time.sleep(1)
    print 'quitting thread'

thread.start_new_thread(run, ())

time.sleep(2)
print 'doing stuff on main'
time.sleep(1)
print 'doing more stuff on main'