Update app.py

app.py

@@ -57,12 +57,12 @@ def model_response(message, history):
         if message_to_check.get("role") == "user" :
             gemini_history.append({
             "role": "user",
-            "parts": [message_to_check.get("content", "")]
+            "parts": [{"text": message_to_check.get("content", "")}]
             })
         elif message_to_check.get("role") == "assistant" :
             gemini_history.append({
             "role": "model",
-            "parts": [message_to_check.get("content", "")]
+            "parts": [{"text": message_to_check.get("content", "")}]
             })
 
     print(f"his: {gemini_history}")