from twisted.internet import selectreactor

import scrapy
from scrapy.crawler import CrawlerProcess

selectreactor.install()


class NoRequestsSpider(scrapy.Spider):
    name = "no_request"

    async def start(self):
        return
        yield


process = CrawlerProcess(
    settings={
        "TWISTED_REACTOR": "twisted.internet.selectreactor.SelectReactor",
    }
)

process.crawl(NoRequestsSpider)
process.start()