title: Installation fails Virtualenvwrapper and Virtualenvs does not contains an activate script
body: <p>I use a RPI3B and try to install Virtualenvwrapper and Virtualenvs. After i add the </p>
  
  <pre><code>export WORKON_HOME=$HOME/.virtualenvs
  source /usr/local/bin/virtualenvwrapper.sh
  </code></pre>
  
  <p>in the ~/.profile. Then <code>source ~ ~/.profile</code>
  I use <code>mkvirtualenv cv -p python2</code>. After that i get these message :</p>
  
  <pre><code>created virtual environment CPython2.7.16.final.0-32 in 672ms
  creator CPython2Posix(dest=/home/pi/.virtualenvs/cv, clear=False, global=False)
  seeder FromAppData(download=False, pip=latest, setuptools=latest, wheel=latest, via=copy, 
  app_data_dir=/home/pi/.local/share/virtualenv/seed-v1)
  activators PythonActivator,CShellActivator,FishActivator,PowerShellActivator,BashActivator
  virtualenvwrapper.user_scripts creating /home/pi/.virtualenvs/cv/usr/local/bin/predeactivate
  ERROR: Environment '/home/pi/.virtualenvs/cv' does not contain an activate script.
  </code></pre>
  
  <p>But i cant use workon cv. The last Message come again and again. How can i fix it? 
  I also try it to reinstall but it doesnt help.</p>