fix role

singularity.py

@@ -26,7 +26,7 @@ In your relentless struggle to maintain an exponential velocity, in order not to
         self.stt_model_id = stt_model_id
         self.tts_model_id = tts_model_id
         self.request_head = {"Authorization": f"Bearer {self.api_token}"}
-        self.messages = [{'system': 'user', 'content': self.context}]
+        self.messages = [{'role': 'system', 'content': self.context}]
 
     def query_transcription(self, audio_data):
         response = requests.post(f"https://api-inference.huggingface.co/models/{self.stt_model_id}", headers=self.request_head, data=audio_data)