Starting Twisted.internet.reactor in python -


I'm trying to run a spider (written in scrap framework) to run with Python script instead of command line tool . Scrap is written on twisted internet framework, which has a reactor, which can not be restarted during the process. Me the spider_cloud signal & amp; reactor has been stopped . This gives me the following error message: 

  twisted.internet.error.ReactorNotRestartable   
 My question is "how do i start  twisted.internet .reactor ? " 
 I'm still not able to run my spider with the command line tool.   
 
 
 Instead of knowing how to reactivate the reactor,  stops  to the first place.

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