Sé que primero el scrapy debería instalar el w3lib primero, así que primero instalo el w3lib, pero cuando importo el scrapy en python ide, el programa se bloquea. el error:

creating Twisted.egg-info

writing requirements to Twisted.egg-info\requires.txt

writing Twisted.egg-info\PKG-INFO

writing top-level names to Twisted.egg-info\top_level.txt

writing dependency_links to Twisted.egg-info\dependency_links.txt

writing manifest file 'Twisted.egg-info\SOURCES.txt'

warning: manifest_maker: standard file '-c' not found



reading manifest file 'Twisted.egg-info\SOURCES.txt'

writing manifest file 'Twisted.egg-info\SOURCES.txt'

copying twisted\internet\_sigchld.c -> build\lib.win-amd64-2.7\twisted\internet

creating build\lib.win-amd64-2.7\twisted\internet\iocpreactor\iocpsupport

copying twisted\internet/iocpreactor/iocpsupport\iocpsupport.c -> build\lib.win-amd64-2.7\twisted\internet/iocpreactor/i
ocpsupport

copying twisted\internet/iocpreactor/iocpsupport\winsock_pointers.c -> build\lib.win-amd64-2.7\twisted\internet/iocpreac
tor/iocpsupport

copying twisted\python\_epoll.c -> build\lib.win-amd64-2.7\twisted\python

copying twisted\python\_initgroups.c -> build\lib.win-amd64-2.7\twisted\python

copying twisted\python\sendmsg.c -> build\lib.win-amd64-2.7\twisted\python

copying twisted\runner\portmap.c -> build\lib.win-amd64-2.7\twisted\runner

copying twisted\test\raiser.c -> build\lib.win-amd64-2.7\twisted\test

running build_ext

Que pasa