pythonPackages.scrapy: fix 1.4.0 update

pkgs/development/python-modules/scrapy/permissions-fix.patch

···
  
      def run(self, args, opts):
          if len(args) not in (1, 2):
-@@ -118,4 +117,3 @@ class Command(ScrapyCommand):
-         _templates_base_dir = self.settings['TEMPLATES_DIR'] or \
-             join(scrapy.__path__[0], 'templates')
-         return join(_templates_base_dir, 'project')
--