title: No module named 'oauth2_provider.ext'
body: <p>i'm having this error could someone help me with it.</p>
  <p>File &quot;/Users/king/Desktop/dash1-env/DASH/lib/python3.7/site-packages/rest_framework_social_oauth2/views.py&quot;, line 7, in 
  from oauth2_provider.ext.rest_framework import OAuth2Authentication
  ModuleNotFoundError: No module named 'oauth2_provider.ext'</p>