title: Pycharm Referenced Error With Import Selenium Webdriver
body: <p>Am using Python 3.6.5rcs , pip version 9.0.1 , selenium 3.11.0. The Python is installed in C:\Python and selenium is in C:\Python\Lib\site-packages\selenium. The environment variables have been set. 
  But the code<br>
       <strong>from selenium import webdriver</strong><br>
  gives an unresolved reference error.
  Any suggestion on how to fix the problem.  </p>