我在做什么错，以及如何使用python的asyncio调试内存泄漏？

Question

我有这样的代码：

async def worker(self):
    while True:
        proxies = get_proxies()
        for proxy in proxies:
            await self.add_proxy_to_queue(proxy)

async def add_proxy_to_queue(self, proxy):
    while self.proxies_semaphore.locked():
        await asyncio.sleep(0.001)

    asyncio.ensure_future(self.process_proxy(proxy))

async def process_proxy(self, proxy):
    async with self.proxies_semaphore:
        # send network request and wait for the resposne with timeout

我已经这样更改了：

async def worker(self):
    while True:
        proxies = get_proxies()
        for proxy in proxies:
            await self.add_proxy_to_queue(proxy)

async def add_proxy_to_queue(self, proxy):
    async with self.proxies_semaphore:  # <-- HERE ARE THE CHANGES
        asyncio.ensure_future(self.process_proxy(proxy))

async def process_proxy(self, proxy):
    async with self.proxies_semaphore:
        # send network request and wait for the resposne with timeout

，它仍在泄漏，但速度要慢得多。

我在做什么错了，如何调试异步代码，如何说看事件循环并查看实际上有哪些任务？