add model

app.py

@@ -76,6 +76,8 @@ period = st.slider('Period', 1, 365, 28)
 # fig = prophet_ts(symbol=sb, periods = periods)
 ts = TS()
 fig = None
-if model == "Prophet":
-    fig = ts.prophet(period = period)
+with st.spinner('Wait for it...'):
+    if model == "Prophet":
+        fig = ts.prophet(period = period)
+st.success('Done!')
 st.plotly_chart(fig, use_container_width=True)