title: Error while installing keras in conda using pip
body: <p>Can anyone help here.
  I am trying to install keras in conda using pip and I get below error:</p>
  
  <blockquote>
    <p>(C:\Users\HARSHALL\Anaconda3) C:\Users\HARSHALL>pip install --upgrade keras
    Traceback (most recent call last):
    File "C:\Users\HARSHALL\Anaconda3\Scripts\pip-script.py", line 6, in 
    from pip import main
    File "C:\Users\HARSHALL\Anaconda3\lib\site-packages\pip_init_.py", line 28, in 
    from pip.vcs import git, mercurial, subversion, bazaar # noqa
    File "C:\Users\HARSHALL\Anaconda3\lib\site-packages\pip\vcs\mercurial.py", line 9, in 
    from pip.download import path_to_url
    File "C:\Users\HARSHALL\Anaconda3\lib\site-packages\pip\download.py", line 41, in 
    from pip._vendor.requests.adapters import BaseAdapter, HTTPAdapter
    ImportError: No module named 'pip._vendor.requests.adapters'</p>
  </blockquote>