title: pip install UnicodeDecodeError
body: <p>When I'm trying to install beautifulsoup4 on my new notebook (Win 7 64) using pip, I get this error:</p>
  
  <pre><code>Cleaning up...
  Exception:
  Traceback (most recent call last):
    File "C:\Python27\lib\site-packages\pip\basecommand.py", line 122, in main
      status = self.run(options, args)
    File "C:\Python27\lib\site-packages\pip\commands\install.py", line 278, in run
  
      requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundl
  e=self.bundle)
    File "C:\Python27\lib\site-packages\pip\req.py", line 1234, in prepare_files
      req_to_install.assert_source_matches_version()
    File "C:\Python27\lib\site-packages\pip\req.py", line 464, in assert_source_ma
  tches_version
      % (display_path(self.source_dir), version, self))
  UnicodeDecodeError: 'ascii' codec can't decode byte 0x9e in position 58: ordinal
   not in range(128)
  
  Traceback (most recent call last):
    File "C:\Python27\lib\runpy.py", line 162, in _run_module_as_main
      "__main__", fname, loader, pkg_name)
    File "C:\Python27\lib\runpy.py", line 72, in _run_code
      exec code in run_globals
    File "C:\Python27\Scripts\pip.exe\__main__.py", line 9, in &lt;module&gt;
    File "C:\Python27\lib\site-packages\pip\__init__.py", line 185, in main
      return command.main(cmd_args)
    File "C:\Python27\lib\site-packages\pip\basecommand.py", line 161, in main
      text = '\n'.join(complete_log)
  UnicodeDecodeError: 'ascii' codec can't decode byte 0x9e in position 73: ordinal
   not in range(128)
  </code></pre>
  
  <p>I use: <code>pip install beautifulsoup4</code> command</p>
  
  <p>Do you have an idea where could be the problem?</p>
  
  <p>PS: The notebook was used for presentations before  get it, so there are programs in multiple languages installed. </p>