title: Python 2.7 : LookupError: unknown encoding: cp65001
body: <p>I have installed python 2(64 bit), on windows 8.1 (64 bit) and wanted to know pip version and for that I fired <code>pip --version</code> but it is giving error.</p>
  
  <pre><code>    C:\Users\ADMIN&gt;pip --version
  Traceback (most recent call last):
    File "c:\dev\python27\lib\runpy.py", line 162, in _run_module_as_main
      "__main__", fname, loader, pkg_name)
    File "c:\dev\python27\lib\runpy.py", line 72, in _run_code
      exec code in run_globals
    File "C:\dev\Python27\Scripts\pip.exe\__main__.py", line 5, in &lt;module&gt;
    File "c:\dev\python27\lib\site-packages\pip\__init__.py", line 15, in &lt;module&gt;
      from pip.vcs import git, mercurial, subversion, bazaar  # noqa
    File "c:\dev\python27\lib\site-packages\pip\vcs\mercurial.py", line 10, in &lt;module&gt;
      from pip.download import path_to_url
    File "c:\dev\python27\lib\site-packages\pip\download.py", line 35, in &lt;module&gt;
      from pip.utils.ui import DownloadProgressBar, DownloadProgressSpinner
    File "c:\dev\python27\lib\site-packages\pip\utils\ui.py", line 51, in &lt;module&gt;
      _BaseBar = _select_progress_class(IncrementalBar, Bar)
    File "c:\dev\python27\lib\site-packages\pip\utils\ui.py", line 44, in _select_progress_class
      six.text_type().join(characters).encode(encoding)
  LookupError: unknown encoding: cp65001
  </code></pre>
  
  <p>Note : The same command works fine for python 3. I have uninstalled both and installed again but still no success.</p>