updating requeriments

app.py

@@ -1,7 +1,6 @@
 import gradio as gr
 from ingestion.pdf import process_pdf
 from rag.pipeline import run_rag
-import os
 
 vectorstore = None
 
@@ -17,13 +16,13 @@ def load_document(file):
 
 def ask(question):
     if vectorstore is None:
-        return "Upload a document first", "", ""
+        return "⚠ Upload a document first", "", ""
     if not question.strip():
-        return "Please enter a question", "", ""
+        return "⚠ Please enter a question", "", ""
     try:
         return run_rag(question, vectorstore)
     except Exception as e:
-        return f"Error: {str(e)}", "", ""
+        return f"❌ Error: {str(e)}", "", ""
 
 with gr.Blocks(title="Tech Explainer RAG") as demo:
     gr.Markdown("# Tech Explainer — RAG with Automatic Evaluation")
@@ -44,4 +43,10 @@ with gr.Blocks(title="Tech Explainer RAG") as demo:
     load_btn.click(load_document, inputs=file, outputs=status)
     ask_btn.click(ask, inputs=question, outputs=[answer, sources, evaluation])
 
-demo.launch(share=True, auth=("username", "password"), ssr_mode=False)
+demo.launch(
+    share=False,
+    server_name="0.0.0.0",
+    server_port=7860,
+    show_error=True,
+    quiet=False
+)