使用scrapy startproject命令创建项目时遇到以下错误。我在Ubuntu 14.04（64位）上通过canopy运行Python 2.7.6。我已经安装了所有必需的依赖项仍然无法找到解决方案。任何人都可以帮我这个吗？
Python27\Scripts>scrapy startproject ps_localize
Traceback (most recent call last):
File "/home/Enthought/Canopy_64bit/User/bin/scrapy", line 7, in <module>
from scrapy.cmdline import execute
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/scrapy/cmdline.py", line 9, in <module>
from scrapy.crawler import CrawlerProcess
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/scrapy/crawler.py", line 3, in <module>
from twisted.internet import reactor, defer
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/twisted/internet/reactor.py", line 38, in <module>
from twisted.internet import default
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/twisted/internet/default.py", line 56, in <module>
install = _getInstallFunction(platform)
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/twisted/internet/default.py", line 44, in _getInstallFunction
from twisted.internet.epollreactor import install
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/twisted/internet/epollreactor.py", line 24, in <module>
from twisted.internet import posixbase
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/twisted/internet/posixbase.py", line 23, in <module>
from twisted.internet import error, udp, tcp
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/twisted/internet/tcp.py", line 29, in <module>
from twisted.internet._newtls import (
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/twisted/internet/_newtls.py", line 21, in <module>
from twisted.protocols.tls import TLSMemoryBIOFactory, TLSMemoryBIOProtocol
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/twisted/protocols/tls.py", line 41, in <module>
from OpenSSL.SSL import Error, ZeroReturnError, WantReadError
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/OpenSSL/__init__.py", line 8, in <module>
from OpenSSL import rand, crypto, SSL
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/OpenSSL/rand.py", line 11, in <module>
from OpenSSL._util import (
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/OpenSSL/_util.py", line 7, in <module>
binding = Binding()
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/cryptography/hazmat/bindings/openssl/binding.py", line 114, in __init__
self._ensure_ffi_initialized()
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/cryptography/hazmat/bindings/openssl/binding.py", line 126, in _ensure_ffi_initialized
cls._modules,
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/cryptography/hazmat/bindings/utils.py", line 31, in load_library_for_binding
lib = ffi.verifier.load_library()
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/cffi/verifier.py", line 97, in load_library
return self._load_library()
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/cffi/verifier.py", line 207, in _load_library
return self._vengine.load_library()
File "/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/cffi/vengine_cpy.py", line 155, in load_library
raise ffiplatform.VerificationError(error)
cffi.ffiplatform.VerificationError: importing '/home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/cryptography/_Cryptography_cffi_a269d620xd5c405b7.so': /home/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/cryptography/_Cryptography_cffi_a269d620xd5c405b7.so: undefined symbol: EC_KEY_clear_flags