To get CSRF Token handling as outline in https://flask-dropzone.readthedocs.io/en/latest/advanced.html
I tried:

```python
# enable CSRF protection
self.app.config['DROPZONE_ENABLE_CSRF'] = True
```
```html

Dropzone.options.myDropzone.headers = {"X-CSRF-Token": "{{ csrf_token() }}"}

Upload Form

{{ render_form(upload_form) }}
{{ dropzone.create(action=url_for('test_upload')) }}
{{ dropzone.config() }}
```

but still i get:
400 Bad Request

Bad Request

The CSRF token is missing.