change vnquant to vnstock

app.py

@@ -45,6 +45,7 @@ class TS:
                             start_date=start_date, 
                             end_date=end_date, resolution='1D', type='stock')
         pdf = pd.DataFrame()
+        pdf["time"] = data["time"]
         pdf['ds'] = data["time"]
         pdf['ds'] = pd.to_datetime(pdf['ds'])
         pdf["open"] = data["open"]