title: Error running pip install in cygwin
body: <p>I'm trying to install the python pymssql module in my cygwin environment with this command <code>$ pip install pymssql</code> and I'm getting this error:</p>
  
  <pre><code>Collecting pymssql
    Using cached pymssql-2.1.2.tar.gz
      Complete output from command python setup.py egg_info:
      Download error on https://pypi.python.org/simple/setuptools_git/: unknown error (_ssl.c:2738) -- Some packages may not be found!
      Download error on https://pypi.python.org/simple/setuptools-git/: unknown error (_ssl.c:2738) -- Some packages may not be found!
      Couldn't find index page for 'setuptools_git' (maybe misspelled?)
      Download error on https://pypi.python.org/simple/: unknown error (_ssl.c:2738) -- Some packages may not be found!
      No local packages or download links found for setuptools-git
      Traceback (most recent call last):
        File "&lt;string&gt;", line 1, in &lt;module&gt;
        File "/tmp/pip-build-epkoy3e7/pymssql/setup.py", line 464, in &lt;module&gt;
          ext_modules = ext_modules(),
        File "/usr/lib/python3.4/distutils/core.py", line 108, in setup
          _setup_distribution = dist = klass(attrs)
        File "/usr/lib/python3.4/site-packages/setuptools/dist.py", line 265, in __init__
          self.fetch_build_eggs(attrs['setup_requires'])
        File "/usr/lib/python3.4/site-packages/setuptools/dist.py", line 310, in fetch_build_eggs
          replace_conflicting=True,
        File "/usr/lib/python3.4/site-packages/pkg_resources/__init__.py", line 830, in resolve
          dist = best[req.key] = env.best_match(req, ws, installer)
        File "/usr/lib/python3.4/site-packages/pkg_resources/__init__.py", line 1075, in best_match
          return self.obtain(req, installer)
        File "/usr/lib/python3.4/site-packages/pkg_resources/__init__.py", line 1087, in obtain
          return installer(requirement)
        File "/usr/lib/python3.4/site-packages/setuptools/dist.py", line 377, in fetch_build_egg
          return cmd.easy_install(req)
        File "/usr/lib/python3.4/site-packages/setuptools/command/easy_install.py", line 623, in easy_install
          raise DistutilsError(msg)
      distutils.errors.DistutilsError: Could not find suitable distribution for Requirement.parse('setuptools-git')
      setup.py: platform.system() =&gt; 'CYGWIN_NT-6.1'
      setup.py: platform.architecture() =&gt; ('64bit', '')
      setup.py: platform.libc_ver() =&gt; ('', '')
      setup.py: Not using bundled FreeTDS
      setup.py: include_dirs = []
      setup.py: library_dirs = ['/usr/local/lib']
  </code></pre>
  
  <p>I've updated pip to 8.1.1, updated openssl to 1.0.2g. I'm getting the same problem with any python module, not just pymssql.</p>