title: Error while installing Scrapy package
body: <p>I am trying to install Scrapy package for Python2.7 on win8 machine, but getting the belo error.</p>
  
  <pre><code>Downloading/unpacking Twisted&gt;=10.0.0 (from Scrapy)
    Downloading Twisted-14.0.2-cp27-none-win_amd64.whl (3.1MB)
  ←[K    100% |################################| 3.1MB 5.8kB/s ta 0:00:01
  ←[?25hRequirement already satisfied (use --upgrade to upgrade): w3lib&gt;=1.8.0 in c:\python27\lib\site-packages\w3lib-1.10.0-py2.7.e
  gg (from Scrapy)
  Requirement already satisfied (use --upgrade to upgrade): queuelib in c:\python27\lib\site-packages\queuelib-1.2.2-py2.7.egg (from
   Scrapy)
  Requirement already satisfied (use --upgrade to upgrade): lxml in c:\python27\lib\site-packages (from Scrapy)
  Requirement already satisfied (use --upgrade to upgrade): pyOpenSSL in c:\python27\lib\site-packages\pyopenssl-0.14-py2.7.egg (fro
  m Scrapy)
  Requirement already satisfied (use --upgrade to upgrade): cssselect&gt;=0.9 in c:\python27\lib\site-packages\cssselect-0.9.1-py2.7.eg
  g (from Scrapy)
  Requirement already satisfied (use --upgrade to upgrade): six&gt;=1.5.2 in c:\python27\lib\site-packages\six-1.8.0-py2.7.egg (from Sc
  rapy)
  Downloading/unpacking zope.interface&gt;=3.6.0 (from Twisted&gt;=10.0.0-&gt;Scrapy)
    Downloading zope.interface-4.1.1.tar.gz (864kB)
  ←[K    59% |###################             | 516kB 1.5kB/s eta 0:03:52  Hash of the package https://pypi.python.org/packages/sour
  ce/z/zope.interface/zope.interface-4.1.1.tar.gz#md5=edcd5f719c5eb2e18894c4d06e29b6c6 (from https://pypi.python.org/simple/zope.int
  erface/) (e6277d288c100478bf348ac91333620f) doesn't match the expected hash edcd5f719c5eb2e18894c4d06e29b6c6!
    Cleaning up...
    Bad md5 hash for package https://pypi.python.org/packages/source/z/zope.interface/zope.interface-4.1.1.tar.gz#md5=edcd5f719c5eb2
  e18894c4d06e29b6c6 (from https://pypi.python.org/simple/zope.interface/)
  </code></pre>
  
  <p>Please can anyone suggest me something ?</p>