Update app.py

app.py

@@ -96,7 +96,7 @@ class StockPredictor:
     def train_model(self):
         try:
             self.model = Prophet(
-                changepoint_prior_scale=0.05,
+                changepoint_prior_scale=10,
                 seasonality_prior_scale=10,
                 holidays_prior_scale=10,
                 daily_seasonality=True,