when I run scrapy,this happened exceptions.TypeError: _getEndpoint() takes exactly 4 arguments (2 given)

[crawler]

when I run scrapy this happened:

2015-05-19 22:27:35-0400 [scrapy] NOLEVEL: Current UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_0) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1063.0 Safari/536.3

2015-05-19 22:27:36-0400 [lt1] ERROR: Error downloading <GET http://************************>

 File "/usr/local/lib/python2.7/site-packages/Twisted-15.2.0-py2.7-linux-x86_64.egg/twisted/internet/base.py", line 1203, in mainLoop

   self.runUntilCurrent()

 File "/usr/local/lib/python2.7/site-packages/Twisted-15.2.0-py2.7-linux-x86_64.egg/twisted/internet/base.py", line 825, in runUntilCurrent

   call.func(*call.args, **call.kw)

 File "/usr/local/lib/python2.7/site-packages/Scrapy-0.24.4-py2.7.egg/scrapy/core/downloader/__init__.py", line 143, in _process_queue

   dfd = self._download(slot, request, spider)

 File "/usr/local/lib/python2.7/site-packages/Scrapy-0.24.4-py2.7.egg/scrapy/core/downloader/__init__.py", line 154, in _download

   dfd = mustbe_deferred(self.handlers.download_request, request, spider)

--- <exception caught here> ---

 File "/usr/local/lib/python2.7/site-packages/Scrapy-0.24.4-py2.7.egg/scrapy/utils/defer.py", line 39, in mustbe_deferred

   result = f(*args, **kw)

 File "/usr/local/lib/python2.7/site-packages/Scrapy-0.24.4-py2.7.egg/scrapy/core/downloader/handlers/__init__.py", line 40, in download_request

   return handler(request, spider)

 File "/usr/local/lib/python2.7/site-packages/Scrapy-0.24.4-py2.7.egg/scrapy/core/downloader/handlers/http11.py", line 36, in download_request

   return agent.download_request(request)

 File "/usr/local/lib/python2.7/site-packages/Scrapy-0.24.4-py2.7.egg/scrapy/core/downloader/handlers/http11.py", line 174, in download_request

   d = agent.request(method, url, headers, bodyproducer)

 File "/usr/local/lib/python2.7/site-packages/Twisted-15.2.0-py2.7-linux-x86_64.egg/twisted/web/client.py", line 1559, in request

   endpoint = self._getEndpoint(parsedURI)

exceptions.TypeError: _getEndpoint() takes exactly 4 arguments (2 given)

I find some answer in stackoverflow,but they all say update Twisted-15.2.0 can resolve this problem,then I updated Twisted,but the problem happened too,hope you can help me.

[crawler]

i find the answer, I updated scrapy version to 0.24.6,the problem resolved.

在 2015年5月20日星期三 UTC+8上午10:36:48，crawler写道：