change vnquant to vnstock

app.py

@@ -46,6 +46,7 @@ class TS:
                             end_date=end_date, resolution='1D', type='stock')
         pdf = pd.DataFrame()
         pdf['ds'] = data.index 
+        pdf['ds'] = pd.to_datetime(pdf['ds'])
         pdf['y'] = data.close.values
         return pdf
     def prophet(self, period = 28):
@@ -87,7 +88,7 @@ class TS:
 
 st.title("Vietnam Trading by Time Series")
 model = st.selectbox("model", ["Prophet", "ARIMA"])
-sb = st.text_input('Symbol', 'FPT')
+sb = st.text_input('Symbol', 'VIC')
 period = st.slider('Period', 1, 365, 28)
 # fig = prophet_ts(symbol=sb, periods = periods)
 ts = TS(symbol = sb)