title: Scikit-Learn Not Properly Updating in IPython
body: <p>I am attempting to update scikit-learn within IPython to version 0.14 from 0.13 using the following command in the IPython shell:</p>
  
  <pre><code>!pip install scikit-learn --update
  </code></pre>
  
  <p>Everything appears to be updating, but when I look at the pip log I see the below (I would appreciate any insight):</p>
  
  <pre><code> Rolling back uninstall of scikit-learn
  
    Replacing c:\anaconda\lib\site-packages\scikit_learn-0.13-py2.7.egg-info
  Command C:\Anaconda\python.exe -c "import setuptools;__file__='c:\\users\\owner\\appdata\\local\\temp\\pip-build\\scikit-learn\\setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record c:\users\owner\appdata\local\temp\pip-pqca_z-record\install-record.txt --single-version-externally-managed failed with error code 1 in c:\users\owner\appdata\local\temp\pip-build\scikit-learn
  
  Exception information:
  Traceback (most recent call last):
    File "C:\Anaconda\lib\site-packages\pip\basecommand.py", line 107, in main
      status = self.run(options, args)
    File "C:\Anaconda\lib\site-packages\pip\commands\install.py", line 261, in run
      requirement_set.install(install_options, global_options)
    File "C:\Anaconda\lib\site-packages\pip\req.py", line 1166, in install
      requirement.install(install_options, global_options)
    File "C:\Anaconda\lib\site-packages\pip\req.py", line 589, in install
      cwd=self.source_dir, filter_stdout=self._filter_install, show_stdout=False)
    File "C:\Anaconda\lib\site-packages\pip\util.py", line 612, in call_subprocess
      % (command_desc, proc.returncode, cwd))
  InstallationError: Command C:\Anaconda\python.exe -c "import setuptools;__file__='c:\\users\\owner\\appdata\\local\\temp\\pip-build\\scikit-learn\\setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record c:\users\owner\appdata\local\temp\pip-pqca_z-record\install-record.txt --single-version-externally-managed failed with error code 1 in c:\users\owner\appdata\local\temp\pip-build\scikit-learn
  </code></pre>