Update app.py

app.py

@@ -13,24 +13,44 @@ client = Groq(api_key=GROQ_API_KEY)
 print("Groq Client Ready 🚀")
 
 # ---------------------------
-# Core chat function – expects a list of message dicts
+# Helper to convert Gradio's message dict to simple format for Groq
+# ---------------------------
+def convert_to_groq_messages(gradio_history):
+    groq_messages = []
+    for msg in gradio_history:
+        role = msg.get("role")
+        content = msg.get("content")
+        # Gradio 6 may send content as a list of parts (for multimodal)
+        if isinstance(content, list):
+            # Extract text from parts with type "text"
+            text_parts = [part.get("text", "") for part in content if part.get("type") == "text"]
+            content = " ".join(text_parts)
+        elif content is None:
+            continue
+        # Ensure content is a string
+        groq_messages.append({"role": role, "content": str(content)})
+    return groq_messages
+
+# ---------------------------
+# Core chat function – accepts a list of message dicts (Gradio format)
 # ---------------------------
 def chat_with_groq(history):
     try:
-        print("Sending messages to Groq:", history)
+        groq_messages = convert_to_groq_messages(history)
+        print("Sending messages to Groq:", groq_messages)
         chat_completion = client.chat.completions.create(
-            messages=history,
-            model="mixtral-8x7b-32768",   # or "openai/gpt-oss-120b" if preferred
+            messages=groq_messages,
+            model="mixtral-8x7b-32768",   # or your preferred model
         )
         reply = chat_completion.choices[0].message.content
         return reply
     except Exception as e:
         import traceback
-        traceback.print_exc()   # full error in logs
+        traceback.print_exc()
         return f"❌ Error: {str(e)}"
 
 # ---------------------------
-# Gradio UI (without 'type' argument)
+# Gradio UI (unchanged)
 # ---------------------------
 custom_css = """
 body {
@@ -74,7 +94,6 @@ with gr.Blocks() as demo:
         """
     )
 
-    # No 'type' argument – uses default format (messages dicts in Gradio 6)
     chatbot = gr.Chatbot(elem_id="chatbox", height=450)
     msg = gr.Textbox(placeholder="Type something cool...", scale=8)
     clear = gr.Button("✨ Clear Chat")