Update app.py

app.py

@@ -8,6 +8,7 @@ from groq import Groq
 
 # Fetch API key from environment variable
 API_KEY = os.environ.get('GroqApi')
+
 global CHUNKS, INDEX, MODEL 
 # Initialize global variables
 CHUNKS = None
@@ -73,12 +74,25 @@ url = st.text_input("Enter Tariff Data URL", "https://iesco.com.pk/index.php/cus
 if st.button("Process Tariff Data"):
     with st.spinner("Extracting and processing data..."):
         try:
-            # Declare globals and assign values
-             
+            #global CHUNKS, INDEX, MODEL  # Declare globals before modifying
             text = scrape_tariff_data(url)
+            if not text:
+                st.error("Failed to scrape data from the provided URL.")
+                st.stop()
+
             CHUNKS = chunk_text(text)
+            if not CHUNKS:
+                st.error("No data available for processing.")
+                st.stop()
+
             INDEX, embeddings, MODEL = create_faiss_index(CHUNKS)
+            if not INDEX:
+                st.error("Failed to create FAISS index.")
+                st.stop()
+
             st.success("Data processed and indexed!")
+            st.write("Number of chunks processed:", len(CHUNKS))
+
         except Exception as e:
             st.error(f"Error processing data: {e}")