1. numion
  2. gevent

Source

gevent / greentest / test__monkey.py

from gevent import monkey
monkey.patch_all()

import time
assert 'built-in' not in repr(time.sleep), repr(time.sleep)

import thread
import threading
assert 'built-in' not in repr(thread.start_new_thread), repr(thread.start_new_thread)
assert 'built-in' not in repr(threading._start_new_thread), repr(threading._start_new_thread)
assert 'built-in' not in repr(threading._sleep), repr(threading._sleep)