title: How restart Scrapy spider
body: <p>What I need:</p>
  
  <ol>
  <li>start crawler</li>
  <li>crawler job done</li>
  <li>wait 1 minute</li>
  <li>start crawler again  </li>
  </ol>
  
  <p>I try this:</p>
  
  <pre><code>from scrapy.crawler import CrawlerProcess
  from scrapy.utils.project import get_project_settings
  from time import sleep
  
  while True:
      process = CrawlerProcess(get_project_settings())
      process.crawl('spider_name')
      process.start()
      sleep(60)
  </code></pre>
  
  <p>But get error:</p>
  
  <blockquote>
    <p>twisted.internet.error.ReactorNotRestartable</p>
  </blockquote>
  
  <p>please help me do it right</p>
  
  <p><em>Python 3.6<br>
  Scrapy 1.3.2<br>
  Linux</em></p>