Update app.py

app.py

@@ -19,7 +19,7 @@ DEFAULT_SYSTEM_PROMPT = ""
 API_URL = os.environ.get("API_URL")
 TOKEN = os.environ.get("TOKEN")
 
-HEADER = {
+HEADERS = {
     "accept": "application/json",
     "Authorization": f"Bearer {TOKEN}", "Content-Type": "application/json",
 }
@@ -128,7 +128,7 @@ with gr.Blocks() as demo:
             "frequency_penalty": FREQUENCY_PENALTY,
         }
 
-        outputs = requests.post(API_URL, headers=headers, data=json.dumps(data)).json()
+        outputs = requests.post(API_URL, headers=HEADERS, data=json.dumps(data)).json()
         return outputs
 
     msg.submit(user, [msg, chatbot], [msg, chatbot], queue=False).then(