async def get_positions(self, show_avg_price: bool=False) -> List[dict]:
    return (await self._request('GET', 'positions', params={'showAvgPrice': str(show_avg_price)}))
async def get_positions(self, show_avg_price: bool=False) -> List[dict]:
    return (await self._request('GET', 'positions', params={'showAvgPrice': str(show_avg_price)}))