Update app.py

app.py

@@ -7,9 +7,9 @@ import faiss
 from groq import Groq
 
 # Fetch API key from environment variable
-API_KEY = os.environ.get("GroqApi")
+API_KEY = os.environ.get("GroqApi)
 
-# Global variables for index, chunks, and model
+# Initialize global variables
 CHUNKS = None
 INDEX = None
 MODEL = None
@@ -73,7 +73,8 @@ 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:
-            global CHUNKS, INDEX, MODEL  # Ensure global declaration is at the top
+            # Declare globals and assign values
+            global CHUNKS, INDEX, MODEL  
             text = scrape_tariff_data(url)
             CHUNKS = chunk_text(text)
             INDEX, embeddings, MODEL = create_faiss_index(CHUNKS)