remove the dumy doc

app.py

@@ -172,7 +172,5 @@ demo = gr.ChatInterface(
 )
 
 if __name__ == "__main__":
-    # Create a dummy doc for initial testing if no PDF is uploaded
-    vectorDB.add_documents([Document(page_content="This is a sample document about the history of artificial intelligence. It was created to demonstrate the RAG pipeline.", metadata={"docId": "uploaded_doc"})])
     
     demo.launch()