Update streamapp.py

streamapp.py

@@ -220,9 +220,7 @@ def click_button(response):
     # print("set state to True")
     # st.session_state.clicked = True
 
-    df = px.active_session().get_spans_dataframe()
-    print(px.active_session())
-    print(px.active_session().get_spans_dataframe())
+    df = st.session_state['trace_df']
     print(df.count())        
     df_sorted = df.sort_values(by='end_time',ascending=False)