Update app.py

app.py

@@ -41,8 +41,8 @@ def factorial(n):
 
 # callback to update query param on selectbox change
 def update_params():
-    st.experimental_set_query_params(option=st.session_state.qp)
-options = ["cat", "dog", "mouse", "bat", "duck"]
+    st.experimental_set_query_params(option=st.session_state.query)
+options = ["ai", "nlp", "iot", "vr", "genomics", "graph", "cognitive"]
 query_params = st.experimental_get_query_params()
 # set selectbox value based on query param, or provide a default
 ix = 0
@@ -52,7 +52,7 @@ if query_params:
     except ValueError:
         pass
 selected_option = st.radio(
-    "Param", options, index=ix, key="qp", on_change=update_params
+    "Param", options, index=ix, key="query", on_change=update_params
 )
 # set query param based on selection
 st.experimental_set_query_params(option=selected_option)