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- import collections
- from ..packages import six
- from ..packages.six.moves import queue
- if six.PY2:
- # Queue is imported for side effects on MS Windows. See issue #229.
- import Queue as _unused_module_Queue # noqa: F401
- class LifoQueue(queue.Queue):
- def _init(self, _):
- self.queue = collections.deque()
- def _qsize(self, len=len):
- return len(self.queue)
- def _put(self, item):
- self.queue.append(item)
- def _get(self):
- return self.queue.pop()
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