Finally fixed

svm_prefilter_service/mule.py

@@ -22,6 +22,13 @@ if Config.SENTRY_DSN:
     )
 
 
+def json_datetime_dumper(o):
+    if hasattr(o, "isoformat"):
+        return o.isoformat()
+    else:
+        return str(o)
+
+
 class ModelMemer:
 
     def __init__(self):
@@ -41,13 +48,13 @@ class ModelMemer:
         r.raise_for_status()
         self.model_details = r.json()
 
-        r = requests.get(urljoin(Config.MODEL_INFO_URL,self.model_details['files']['model']))
+        r = requests.get(urljoin(Config.MODEL_INFO_URL, self.model_details['files']['model']))
         r.raise_for_status()
 
         with open(model_file, 'wb') as f:
             f.write(r.content)
 
-        r = requests.get(urljoin(Config.MODEL_INFO_URL,self.model_details['files']['means']))
+        r = requests.get(urljoin(Config.MODEL_INFO_URL, self.model_details['files']['means']))
         r.raise_for_status()
 
         with open(means_file, 'wb') as f:
@@ -123,7 +130,7 @@ def main():
                         'audio/wave',
                         {'Content-length': os.path.getsize(audio_file_path)}
                     ),
-                    "description": (None, json.dumps(description), "application/json")
+                    "description": (None, json.dumps(description, default=json_datetime_dumper), "application/json")
                 }
 
                 r = requests.post(Config.INPUT_SERVICE_URL, files=files)