text: Title: IndexError: tuple index out of range
  Body: It works, but after a while it drops out with an error
  
  ```
  Traceback (most recent call last):
    File "/root/nudecrawler/bin/nudecrawler", line 467, in <module>
      main()
    File "/root/nudecrawler/bin/nudecrawler", line 456, in main
      check_word(w, day, args.fails, print_urls = args.urls, resumecount=resumecount)
    File "/root/nudecrawler/bin/nudecrawler", line 263, in check_word
      p = analyse(url)
    File "/root/nudecrawler/bin/nudecrawler", line 165, in analyse
      p.check_all()
    File "/usr/local/lib/python3.9/dist-packages/nudecrawler/page.py", line 150, in check_all
      self.check_images()
    File "/usr/local/lib/python3.9/dist-packages/nudecrawler/page.py", line 318, in check_images
      self.is_nude(url)
    File "/usr/local/lib/python3.9/dist-packages/nudecrawler/page.py", line 290, in is_nude
      self.do_detect_image(url)
    File "/usr/local/lib/python3.9/dist-packages/nudecrawler/page.py", line 246, in do_detect_image
      verdict = ri.detect_image(self.detect_image)
    File "/usr/local/lib/python3.9/dist-packages/nudecrawler/remoteimage.py", line 60, in detect_image
      return n.parse().result
    File "/usr/local/lib/python3.9/dist-packages/nude.py", line 90, in parse
      b = pixels[x, y][2]   # blue
  IndexError: tuple index out of range
  ```
  
  Python 3.9.2
  Debian 11.6
  
  Use with wordlist.txt and urls.txt from here