title: scrapyd deployed in KubeSphere，and when running scrapy selenium got exception:'twisted.internet.error.ReactorAlreadyInstalledError'
body: <p>I deploy <code>scrapyd</code> in KubeSphere, I got expectation when I run <code>scrapy</code> and <code>selenium</code>:</p>
  <pre class="lang-none prettyprint-override"><code>2022-03-16T12:57:15+0000 [Launcher,1832/stderr]     return Crawler(spidercls, self.settings, init_reactor=True)
            File &quot;/usr/local/lib/python3.9/site-packages/scrapy/crawler.py&quot;, line 82, in __init__
              default.install()
            File &quot;/usr/local/lib/python3.9/site-packages/twisted/internet/epollreactor.py&quot;, line 256, in install
  2022-03-16T12:57:15+0000 [Launcher,1832/stderr]     installReactor(p)
            File &quot;/usr/local/lib/python3.9/site-packages/twisted/internet/main.py&quot;, line 32, in installReactor
  2022-03-16T12:57:15+0000 [Launcher,1832/stderr]     raise error.ReactorAlreadyInstalledError(&quot;reactor already installed&quot;)
          twisted.internet.error.ReactorAlreadyInstalledError: reactor already installed
  </code></pre>
  <p>I don't have twisted installed separately. Why does it report that it already exists?</p>