Update predict.py

predict.py

@@ -193,7 +193,7 @@ def generate_payload(inputs, top_p, temperature, history, system_prompt, stream)
     """
     headers = {
         "Content-Type": "application/json",
-        "Authorization": f"Bearer {API_KEY}"
+        "Authorization": f"Bearer {api}"
     }
 
     conversation_cnt = len(history) // 2