Downgrade Gradio to 4.44.1 and revert to stable Chatbot format

README.md

@@ -4,7 +4,7 @@ emoji: 💬
 colorFrom: gray
 colorTo: gray
 sdk: gradio
-sdk_version: 5.9.1
+sdk_version: 4.44.1
 app_file: app.py
 pinned: false
 hf_oauth: true

app.py

@@ -167,7 +167,6 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue="gray"), css=custom_css) as demo
                 elem_id="chatbot",
                 show_label=False,
                 bubble_full_width=False,
-                type="messages" # Updated for Gradio 5
             )
             
             with gr.Row(elem_id="input-container"):
@@ -183,20 +182,14 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue="gray"), css=custom_css) as demo
 
     # Linking components
     def chat_echo(message, history):
-        history.append({"role": "user", "content": message})
-        return "", history
+        return "", history + [[message, None]]
 
     def bot_response(history, model_id, system_message, max_tokens, temperature, top_p):
-        user_message = history[-1]["content"]
+        user_message = history[-1][0]
         
-        # Convert messages format back to legacy for the respond function or update respond
         legacy_history = []
-        # Exclude last message which is the current query
-        for i in range(1, len(history) - 1, 2):
-            if i+1 < len(history):
-                legacy_history.append([history[i]["content"], history[i+1]["content"]])
-
-        history.append({"role": "assistant", "content": ""})
+        for i in range(len(history) - 1):
+            legacy_history.append([history[i][0], history[i][1]])
         
         response_gen = respond(
             user_message, 
@@ -209,7 +202,7 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue="gray"), css=custom_css) as demo
         )
         
         for partial_response in response_gen:
-            history[-1]["content"] = partial_response
+            history[-1][1] = partial_response
             yield history
 
     msg.submit(chat_echo, [msg, chatbot], [msg, chatbot], queue=False).then(

requirements.txt

@@ -1,4 +1,4 @@
-gradio>=5.9.1
+gradio==4.44.1
 huggingface_hub
 python-dotenv
 transformers