title: pylint import error in vscode even though python executer successfully imports it
body: <p>I am using vscode for coding my python code. I use pandas, numpy and requests library in my code. If I run the code, It works fine. But in VScode editor, in the problems section, always Its says the message as </p>
  
  <pre><code>Unable to import 'numpy' (pylint import error)
  Unable to import 'pandas' (pylint import error)
  Unable to import 'requests' (pylint import error)
  </code></pre>
  
  <p>I searched in StackOverflow questions to find the answer to this problem, It says to install <code>pandas</code> using <code>pip</code>. I did that also. But still I am facing the same problem. How to fix this problem in vs code editor</p>