Update app.py

app.py

@@ -455,7 +455,10 @@ class ClimateApp(pn.viewable.Viewer):
     def _update_oni_plot(self):
         df = self._oni_df
         df_year = df.loc[df["year"] == self.year]
-        df_year.iloc[-1, -1] = 365
+        try:
+            df_year.iloc[-1, -1] = 365
+        except:
+            pass
 
         overlay = hv.Overlay([])
         for oni in df_year["oni"].unique():