execution of asyncio.ensure_future(coro()) ignored on close_spider() pipelines call about scrapy HOT 4 CLOSED

import asyncio
import logging
from scrapy import signals
import aiohttp

class AsynctestPipeline:
    async def ainit(self):
        logging.critical('async init')
        self.client = aiohttp.ClientSession()
        self.something = await self.client.get('https://scrapy.org/')
        logging.critical('async initialised')

    async def adel(self):
        logging.critical('async closing resources')
        await self.client.close()
        logging.critical('async resources closed')

    @classmethod
    def from_crawler(cls, crawler):
        p = cls()
        crawler.signals.connect(p.ainit, signal=signals.spider_opened)
        crawler.signals.connect(p.adel, signal=signals.spider_closed)
        return p
        

    async def process_item(self, item, spider):
        logging.critical('executing async task')
        await asyncio.sleep(10)
        logging.critical('async task done')
        logging.critical(self.something)
        return item