title: pip install - Connection reset by peer
body: <p>When I try to install lxml using pip I had the exception "Connection reset by peer":</p>
  
  <pre><code>Downloading/unpacking lxml
    Downloading lxml-3.0.1.tar.gz (3.2Mb): 643Kb downloaded
  Exception:
  Traceback (most recent call last):
    File "/home/dummyuser/work/virt-dev-env/local/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/basecommand.py", line 104, in main
      status = self.run(options, args)
    File "/home/dummyuser/work/virt-dev-env/local/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/commands/install.py", line 245, in run
      requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
    File "/home/dummyuser/work/virt-dev-env/local/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/req.py", line 985, in prepare_files
      self.unpack_url(url, location, self.is_download)
    File "/home/dummyuser/work/virt-dev-env/local/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/req.py", line 1109, in unpack_url
      retval = unpack_http_url(link, location, self.download_cache, self.download_dir)
    File "/home/dummyuser/work/virt-dev-env/local/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/download.py", line 451, in unpack_http_url
      download_hash = _download_url(resp, link, temp_location)
    File "/home/dummyuser/work/virt-dev-env/local/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/download.py", line 368, in _download_url
      chunk = resp.read(4096)
    File "/usr/lib/python2.7/socket.py", line 380, in read
      data = self._sock.recv(left)
    File "/usr/lib/python2.7/httplib.py", line 561, in read
      s = self.fp.read(amt)
    File "/usr/lib/python2.7/socket.py", line 380, in read
      data = self._sock.recv(left)
  error: [Errno 104] Connection reset by peer
  </code></pre>
  
  <p>This only happened when installing lxml, other modules got installed with pip no problems. Anybody had the same problem?</p>