title: ValueError: invalid literal for int() with base 10: b'\x00\x00\x00\x00'
body: <p>I want to install wheel through pip but this error is occured.
  How can I fix this?</p>
  
  <pre><code>Exception:
  Traceback (most recent call last):
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\cli\base_command.py", line 143, in main
      status = self.run(options, args)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\commands\install.py", line 318, in run
      resolver.resolve(requirement_set)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\resolve.py", line 102, in resolve
      self._resolve_one(requirement_set, req)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\resolve.py", line 256, in _resolve_one
      abstract_dist = self._get_abstract_dist_for(req_to_install)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\resolve.py", line 209, in _get_abstract_dist_for
      self.require_hashes
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\operations\prepare.py", line 218, in prepare_linked_requirement
      req.populate_link(finder, upgrade_allowed, require_hashes)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\req\req_install.py", line 164, in populate_link
      self.link = finder.find_requirement(self, upgrade)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\index.py", line 572, in find_requirement
      all_candidates = self.find_all_candidates(req.name)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\index.py", line 530, in find_all_candidates
      for page in self._get_pages(url_locations, project_name):
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\index.py", line 675, in _get_pages
      page = self._get_page(location)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\index.py", line 793, in _get_page
      return _get_html_page(link, session=self.session)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\index.py", line 144, in _get_html_page
      "Cache-Control": "max-age=0",
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_vendor\requests\sessions.py", line 525, in get
      return self.request('GET', url, **kwargs)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_internal\download.py", line 396, in request
      return super(PipSession, self).request(method, url, *args, **kwargs)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_vendor\requests\sessions.py", line 503, in request
      prep.url, proxies, stream, verify, cert
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_vendor\requests\sessions.py", line 676, in merge_environment_settings
      env_proxies = get_environ_proxies(url, no_proxy=no_proxy)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_vendor\requests\utils.py", line 760, in get_environ_proxies
      if should_bypass_proxies(url, no_proxy=no_proxy):
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_vendor\requests\utils.py", line 744, in should_bypass_proxies
      bypass = proxy_bypass(parsed.hostname)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_vendor\requests\utils.py", line 93, in proxy_bypass
      return proxy_bypass_registry(host)
    File "D:\Installed Programs (D Drive)\Python372\lib\site-packages\pip\_vendor\requests\utils.py", line 59, in proxy_bypass_registry
      'ProxyEnable')[0])
  ValueError: invalid literal for int() with base 10: b'\x00\x00\x00\x00'
  </code></pre>