Update app.py

app.py

@@ -70,22 +70,6 @@ rag_chain = (
 
 import gradio as gr
 
-# Mock implementation of `rag_chain.stream` (replace with your actual implementation)
-class MockRAGChain:
-    @staticmethod
-    def stream(message):
-        # Mock response stream
-        responses = [
-            f"Processing your message: '{message}'...",
-            "Analyzing your preferences...",
-            "Here are some recommendations for you!"
-        ]
-        for response in responses:
-            yield response  # Simulate streaming by yielding responses
-
-# Replace with the actual RAG chain if available
-rag_chain = MockRAGChain()
-
 # Function for the chatbot response stream
 def rag_memory_stream(message, history):
     partial_text = ""
@@ -123,7 +107,7 @@ with gr.Blocks(theme=custom_theme) as demo:
     with gr.Tabs():
         # Chat Tab
         with gr.Tab("Chat"):
-            gr.ChatInterface(
+            chat_interface = gr.ChatInterface(
                 fn=rag_memory_stream,
                 type="messages",
                 examples=examples,
@@ -189,4 +173,4 @@ with gr.Blocks(theme=custom_theme) as demo:
 
 # Launch the app
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch()