Update app.py

app.py

@@ -33,6 +33,7 @@ query = query.lower()
 
 if query:
     bar = st.progress(0)
+    time.sleep(.2)
     st.caption(":LightSkyBlue[searching 40123 PubMed abstracts]")
     for i in range(10):
         bar.progress((i+1)*10)
@@ -115,7 +116,7 @@ if query:
     # # display the treemap in Streamlit
     st.pyplot(fig2)
 
-    bar = st.progress(0)
+