gevent.hub.LoopExit

import gevent.queue

queue = gevent.queue.Queue()
for i in range(5):
    queue.put(i)

while True:
    print queue.get()

-------------------------
Output:
0
1
2
3
4
Traceback (most recent call last):
  File "E:\Development\PythonSrc\stack_overflow_answers\gev4.py", line 8, in <module>
    print queue.get()
  File "E:\Development\Python27\lib\site-packages\gevent\queue.py", line 189, in get
    result = waiter.get()
  File "E:\Development\Python27\lib\site-packages\gevent\hub.py", line 579, in get
    return self.hub.switch()
  File "E:\Development\Python27\lib\site-packages\gevent\hub.py", line 338, in switch
    return greenlet.switch(self)
gevent.hub.LoopExit: This operation would block forever