Update app.py

rolled back cache clear to old streamlit

app.py

@@ -217,7 +217,7 @@ if st.button('Submit'):
 if st.button("Clear All"):
     # Clear values from *all* all in-memory and on-disk data caches:
     # i.e. clear values from both square and cube
-    st.cache_data.clear()
+    st.cache.clear()