Async deque in python

adeque.py

# -*- coding: utf-8 -*-

class AsyncDeque(deque):
    def __init__(self, elements):
        super().__init__(elements)
    def __aiter__(self):
        return self
    async def __anext__(self):
        if not self:
            raise StopAsyncIteration
        element = self.popleft()
        return element

class AsyncDeque(collections.deque):

  def __init__(self, *args, **kwargs):
    super().__init__(*args, **kwargs)

  def __aiter__(self):
    return self

  async def __anext__(self, max_wait=10):
    total = 0
    while not self:
      await asyncio.sleep(.1)
      total += .1
      if total > max_wait:
        raise StopIteration
    element = self.popleft()
    return element