Ceph S3 Access not working with Hue on Kubernetes

When trying to access Ceph S3 from Hue, we're seeing this error. Note that region is configured as "None" as we do not have any region.

[26/Nov/2020 20:19:19 -0800] middleware INFO Processing exception: S3 filesystem exception.: Traceback (most recent call last):
File "/usr/share/hue/build/env/local/lib/python2.7/site-packages/Django-1.11.29-py2.7.egg/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/usr/share/hue/build/env/local/lib/python2.7/site-packages/Django-1.11.29-py2.7.egg/django/utils/decorators.py", line 185, in inner
return func(*args, **kwargs)
File "/usr/share/hue/apps/filebrowser/src/filebrowser/views.py", line 226, in view
raise PopupException(msg, detail=e)
PopupException: S3 filesystem exception.
[26/Nov/2020 20:19:19 -0800] exceptions_renderable ERROR Potential trace: [('/usr/share/hue/apps/filebrowser/src/filebrowser/views.py', 215, 'view', 'return listdir_paged(request, path)'), ('/usr/share/hue/apps/filebrowser/src/filebrowser/views.py', 471, 'listdir_paged', 'all_stats = request.fs.do_as_user(do_as, request.fs.listdir_stats, path)'), ('/usr/share/hue/desktop/core/src/desktop/lib/fs/proxyfs.py', 129, 'do_as_user', 'return fn(*args, **kwargs)'), ('/usr/share/hue/desktop/core/src/desktop/lib/fs/proxyfs.py', 151, 'listdir_stats', 'return self._get_fs(path).listdir_stats(path, **kwargs)'), ('/usr/share/hue/desktop/libs/aws/src/aws/s3/__init__.py', 54, 'wrapped', 'return fn(*args, **kwargs)'), ('/usr/share/hue/desktop/libs/aws/src/aws/s3/s3fs.py', 309, 'listdir_stats', "raise S3FileSystemException(_('Failed to retrieve buckets: %s') % e)")]
[26/Nov/2020 20:19:19 -0800] exceptions_renderable ERROR Potential detail: Failed to retrieve buckets: local variable 'region_name' referenced before assignment
[26/Nov/2020 20:19:19 -0800] auth DEBUG CanonicalRequest:
GET
/