122     def put(self, item, block=True, timeout=None):  argument
125         If optional args 'block' is true and 'timeout' is None (the default),
126         block if necessary until a free slot is available. If 'timeout' is
127         a non-negative number, it blocks at most 'timeout' seconds and raises
130         is immediately available, else raise the Full exception ('timeout'
138                 elif timeout is None:
141                 elif timeout < 0:
142                     raise ValueError("'timeout' must be a non-negative number")
144                     endtime = time() + timeout
154     def get(self, block=True, timeout=None):  argument
157         If optional args 'block' is true and 'timeout' is None (the default),
158         block if necessary until an item is available. If 'timeout' is
159         a non-negative number, it blocks at most 'timeout' seconds and raises
162         available, else raise the Empty exception ('timeout' is ignored
169             elif timeout is None:
172             elif timeout < 0:
173                 raise ValueError("'timeout' must be a non-negative number")
175                 endtime = time() + timeout
272     def put(self, item, block=True, timeout=None):  argument
275         The optional 'block' and 'timeout' arguments are ignored, as this method
281     def get(self, block=True, timeout=None):  argument
284         If optional args 'block' is true and 'timeout' is None (the default),
285         block if necessary until an item is available. If 'timeout' is
286         a non-negative number, it blocks at most 'timeout' seconds and raises
289         available, else raise the Empty exception ('timeout' is ignored
292         if timeout is not None and timeout < 0:
293             raise ValueError("'timeout' must be a non-negative number")
294         if not self._count.acquire(block, timeout):