title: ImportError: Couldn't import Django
body: <p>I've already configured virtualenv in pycharm, when using the python manage.py command, this is error shown:</p>
  
  <pre><code>E:\video course\Python\code\web_worker\MxOnline&gt;python manage.py runserver
  Traceback (most recent call last):
    File "manage.py", line 17, in &lt;module&gt;
      "Couldn't import Django. Are you sure it's installed and "
  ImportError: Couldn't import Django. Are you sure it's installed and available on your PYTHONPATH environment variable? Did you forget to activate a virtual environment?
  </code></pre>
  
  <p>How should I fix it, I've installed django.</p>