ModuleNotFoundError: No module named 'raven'

I’m using:

  • Django 2.0
  • Raven 6.5

I"m using the recommended instructions for setup here: https://docs.sentry.io/clients/python/integrations/django/

Stacktrace:
Apr 19 16:55:44 app-staging gunicorn[23772]: module = import_module(module_path)
Apr 19 16:55:44 app-staging gunicorn[23772]: File “/home/www-one/app/venv/lib/python3.6/importlib/init.py”, line 126, in import_module
Apr 19 16:55:44 app-staging gunicorn[23772]: return _bootstrap._gcd_import(name[level:], package, level)
Apr 19 16:55:44 app-staging gunicorn[23772]: ModuleNotFoundError: No module named ‘raven’

No customizations. Locally no errors. But as soon as I deploy the Django app raven cannot be found. I’m sure I’m overlooking something here but I’m stumped. Any suggestions welcomed. Thanks.