Update app.py

app.py

@@ -306,11 +306,11 @@ School of Computer Science, UPES, Dehradun, India
     """
     components.html(footer)
     # Handling query parameters
-    query = st.query_params()
+    query = st.query_params
     try:
         ## Look-up the tab from the query
         if "tab" in query:
-            index_tab = query["tab"][0]
+            index_tab = query["tab"]
             ## Click on that tab
             js = f"""
             <script>