title: In Python 3, pip cannot install modules
body: <p>I'm getting the SSL error when trying to install a module using pip and I've looked around on the net and found the common solution for that problem:</p>
  <pre class="lang-none prettyprint-override"><code>C:\Python35&gt; pip3 install --index-url=http://pypi.python.org/simple/ --trusted-host pypi.python.org sphinx
  </code></pre>
  <p>However, running this command did not work as I thought. What am I doing wrong?</p>
  <pre class="lang-none prettyprint-override"><code>C:\Python35&gt; pip3 install --index-url=http://pypi.python.org/simple/ --trusted-host pypi.python.org -vvv sphinx
  Config variable 'Py_DEBUG' is unset, Python ABI tag may be incorrect
  Config variable 'WITH_PYMALLOC' is unset, Python ABI tag may be incorrect
  Collecting sphinx
    1 location(s) to search for versions of sphinx:
    * http://pypi.python.org/simple/sphinx/
    Getting page http://pypi.python.org/simple/sphinx/
    Starting new HTTP connection (1): pypi.python.org
    &quot;GET /simple/sphinx/ HTTP/1.1&quot; 403 16
    Could not fetch URL http://pypi.python.org/simple/sphinx/: 403 Client Error: SSL is required for url: http://pypi.python.org/simple/sphinx/ - skipping
    Could not find a version that satisfies the requirement sphinx (from versions: )
  Cleaning up...
  No matching distribution found for sphinx
  Exception information:
  Traceback (most recent call last):
    File &quot;C:\python35\lib\site-packages\pip\basecommand.py&quot;, line 215, in main
      status = self.run(options, args)
    File &quot;C:\python35\lib\site-packages\pip\commands\install.py&quot;, line 324, in run
      requirement_set.prepare_files(finder)
    File &quot;C:\python35\lib\site-packages\pip\req\req_set.py&quot;, line 380, in prepare_files
      ignore_dependencies=self.ignore_dependencies))
    File &quot;C:\python35\lib\site-packages\pip\req\req_set.py&quot;, line 554, in _prepare_file
      require_hashes
    File &quot;C:\python35\lib\site-packages\pip\req\req_install.py&quot;, line 278, in populate_link
      self.link = finder.find_requirement(self, upgrade)
    File &quot;C:\python35\lib\site-packages\pip\index.py&quot;, line 514, in find_requirement
      'No matching distribution found for %s' % req
  pip.exceptions.DistributionNotFound: No matching distribution found for sphinx
  </code></pre>
  <hr/>
  <p>As Mukul Sharma wrote, using</p>
  <p>C:\Python35&gt;pip3 install --index-url=<strong>https</strong>://pypi.python.org/simple/ --trusted-host pypi.python.org -vvv sphinx</p>
  <p>instead fixed my problem.</p>