Put an item into the queue.

        If optional args 'block' is true and 'timeout' is None (the default),
        block if necessary until a free slot is available. If 'timeout' is
        a non-negative number, it blocks at most 'timeout' seconds and raises
        the Full exception if no free slot was available within that time.
        Otherwise ('block' is false), put an item on the queue if a free slot
        is immediately available, else raise the Full exception ('timeout'
        is ignored in that case).

def put(self, item, block=True, timeout=None, chill=True):
        """Put an item into the queue.

        If optional args 'block' is true and 'timeout' is None (the default),
        block if necessary until a free slot is available. If 'timeout' is
        a non-negative number, it blocks at most 'timeout' seconds and raises
        the Full exception if no free slot was available within that time.
        Otherwise ('block' is false), put an item on the queue if a free slot
        is immediately available, else raise the Full exception ('timeout'
        is ignored in that case).
        """
        with self.not_full:
            if self.maxsize > 0:
                if not block:
                    if self._qsize() >= self.maxsize:
                        raise compat.queue.Full
                elif timeout is None:
                    while self._qsize() >= self.maxsize:
                        self.not_full.wait()
                elif timeout < 0:
                    raise ValueError("'timeout' must be a non-negative number")
                else:
                    endtime = time.time() + timeout
                    while self._qsize() >= self.maxsize:
                        remaining = endtime - time.time()
                        if remaining <= 0.0:
                            raise compat.queue.Full
                        self.not_full.wait(remaining)
            self._put(item)
            self.unfinished_tasks += 1
            if (
                not chill
                or self._qsize() > self._chill_until
                or (time.time() - self._last_unchill) > self._max_chill_time
            ):
                self.not_empty.notify()
                self._last_unchill = time.time()