Update app.py

app.py

@@ -404,13 +404,13 @@ def classify(platform, UserInput, Images, Textbox2, Textbox3):
 
                     print("IMAGE messages after appending:", messages)
 
-                    headers = {
+                    header = {
                         "Content-Type": "application/json",
                         "Authorization": f"Bearer {auth}"
                     }
 
                     try:
-                        response = requests.post(host, headers=headers, json={
+                        response = requests.post(host, headers=header, json={
                             "messages": messages,
                             "model": model_llm
                         }).json()