Update app.py

app.py

@@ -3,13 +3,19 @@ import gradio as gr
 
 client = InferenceClient("mistralai/Mixtral-8x7B-Instruct-v0.1")
 
-def format_prompt(message, history):
-  prompt = "<s>"
-  for user_prompt, bot_response in history:
-    prompt += f"[INST] {user_prompt} [/INST]"
-    prompt += f" {bot_response}</s> "
-  prompt += f"[INST] {message} [/INST]"
-  return prompt
+def format_prompt(message, history, system_prompt=None):
+    prompt = "<s>"
+    
+    # Adding system prompt if provided
+    if system_prompt:
+        prompt += f"[SYS] {system_prompt} [/SYS]"
+
+    for user_prompt, bot_response in history:
+        prompt += f"[INST] {user_prompt} [/INST]"
+        prompt += f" {bot_response}</s> "
+    
+    prompt += f"[INST] {message} [/INST]"
+    return prompt
 
 def generate(
     prompt, history, temperature=0.2, max_new_tokens=256, top_p=0.95, repetition_penalty=1.0,
@@ -28,7 +34,7 @@ def generate(
         seed=42,
     )
 
-    formatted_prompt = format_prompt(prompt, history)
+    formatted_prompt = format_prompt(prompt, history, system_prompt="Hello there! I'm Stella, your friendly AI companion. How can I assist you today?")
 
     stream = client.text_generation(formatted_prompt, **generate_kwargs, stream=True, details=True, return_full_text=False)
     output = ""
@@ -40,24 +46,7 @@ def generate(
 
     
 mychatbot = gr.Chatbot(
-    avatar_images=["./user.png", "./botm.png"], 
-    bubble_full_width=False, 
-    show_label=False, 
-    show_copy_button=True, 
-    likeable=True,
-)
-
-def echo(message, history, system_prompt):
-    # Use the system prompt to modify the model's behavior
-    # For example, you can prepend the system prompt to the message
-    # Or you can use it to control some parameters of the model
-    # Here we just return the system prompt and the message as a simple example
-    return f"{system_prompt}: {message}"
-
-with gr.Blocks() as demo:
-    system_prompt = gr.Textbox("Your name is Stella. You're a helpful AI who helps the user.", label="System Prompt", render=False)
-    gr.ChatInterface(echo, additional_inputs=[system_prompt], chatbot=mychatbot).launch()
-
+    avatar_images=["./user.png", "./botm.png"], bubble_full_width=False, show_label=False, show_copy_button=True, likeable=True,)
 
 demo = gr.ChatInterface(fn=generate, 
                         chatbot=mychatbot,