post request form now conforms

src/resources.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import logging
+import json
 from xeger import Xeger
 from flask_restful import Resource
 from flask import request
@@ -69,11 +70,12 @@ class SampleResource(Resource):
             requests.post(
                 f"http://{STORAGE_HOSTNAME}/object",
                 files={
-                    'tag': (None, generated_tag),
+                    'description': (None, json.dumps({'tag': generated_tag}), 'application/json'),
-                    'file': (
+                    'soundfile': (
                         'wave.wav',
                         soundfile,
-                        soundfile.content_type)})
+                        soundfile.content_type,
+                        {'Content-Length': len(soundfile)})})
             rabbitmq_channel.basic_publish(
                 exchange=RABBITMQ_EXCHANGE,
                 routing_key='feature',