title: Python Django error ModuleNotFoundError: No module named 'corsheaders'
body: <p>Hey guys i am getting the below error when i have corsheaders installed, any idea why im getting the below error message as i am out of ideas. </p>
  
  <pre><code>installed:
  Python 3.7.2
  
  certifi==2018.11.29
  
  chardet==3.0.4
  
  Django==2.1.7
  
  django-cors-headers==2.4.0
  
  django-mssql==1.8
  
  django-oauth-toolkit==1.2.0
  
  djangorestframework==3.9.1
  
  idna==2.8
  
  oauthlib==3.0.1
  
  pytz==2018.9
  
  requests==2.21.0
  
  urllib3==1.24.1
  
  (Oauth) C:\Users\michael.mountford\OneDrive\Programming\matt-mikes-practice\Oauth&gt;Scripts\python.exe mysite\manage.py runserver
  Unhandled exception in thread started by &lt;function check_errors.&lt;locals&gt;.wrapper at 0x03AC8C48&gt;
  Traceback (most recent call last):
    File "C:\Users\michael.mountford\OneDrive\Programming\matt-mikes-practice\Oauth\lib\site-packages\django\utils\autoreload.py", line 225, in wrapper
      fn(*args, **kwargs)
    File "C:\Users\michael.mountford\OneDrive\Programming\matt-mikes-practice\Oauth\lib\site-packages\django\core\management\commands\runserver.py", line 109, in inner_run
      autoreload.raise_last_exception()
    File "C:\Users\michael.mountford\OneDrive\Programming\matt-mikes-practice\Oauth\lib\site-packages\django\utils\autoreload.py", line 248, in raise_last_exception
      raise _exception[1]
    File "C:\Users\michael.mountford\OneDrive\Programming\matt-mikes-practice\Oauth\lib\site-packages\django\core\management\__init__.py", line 337, in execute
      autoreload.check_errors(django.setup)()
    File "C:\Users\michael.mountford\OneDrive\Programming\matt-mikes-practice\Oauth\lib\site-packages\django\utils\autoreload.py", line 225, in wrapper
      fn(*args, **kwargs)
    File "C:\Users\michael.mountford\OneDrive\Programming\matt-mikes-practice\Oauth\lib\site-packages\django\__init__.py", line 24, in setup
      apps.populate(settings.INSTALLED_APPS)
    File "C:\Users\michael.mountford\OneDrive\Programming\matt-mikes-practice\Oauth\lib\site-packages\django\apps\registry.py", line 89, in populate
      app_config = AppConfig.create(entry)
    File "C:\Users\michael.mountford\OneDrive\Programming\matt-mikes-practice\Oauth\lib\site-packages\django\apps\config.py", line 90, in create
      module = import_module(entry)
    File "C:\Users\michael.mountford\OneDrive\Programming\matt-mikes-practice\Oauth\lib\importlib\__init__.py", line 127, in import_module
      return _bootstrap._gcd_import(name[level:], package, level)
    File "&lt;frozen importlib._bootstrap&gt;", line 1006, in _gcd_import
    File "&lt;frozen importlib._bootstrap&gt;", line 983, in _find_and_load
    File "&lt;frozen importlib._bootstrap&gt;", line 965, in _find_and_load_unlocked
  ModuleNotFoundError: No module named 'corsheaders'
  </code></pre>