Update app.py

app.py

@@ -48,8 +48,13 @@ body {
 
 """
 
-DATA_A = pd.read_csv(DASHBOARD_A_PATH, index_col=0)
-DATA_B = pd.read_csv(DASHBOARD_B_PATH, index_col=0)
+@pn.cache
+def _get_data_a():
+    return pd.read_csv(DASHBOARD_A_PATH, index_col=0)
+
+@pn.cache
+def _get_data_b():
+    return pd.read_csv(DASHBOARD_B_PATH, index_col=0)
 
 
 class Dashboard(pn.viewable.Viewer):
@@ -160,7 +165,7 @@ class Dashboard(pn.viewable.Viewer):
 
     @pn.depends("tool", "variable", "color_map")
     def _get_insert_plot(self):
-        plot_data = DATA_A.loc[self.tool]
+        plot_data = _get_data_a().loc[self.tool]
         data = [(plot_data["Xo"], plot_data["Yo"], plot_data[self.variable])]
         return hv.Path(data, vdims=self.variable).opts(
             cmap=self.color_map, color=self.variable, line_width=4, colorbar=True, responsive=True
@@ -168,14 +173,14 @@ class Dashboard(pn.viewable.Viewer):
 
     @pn.depends("tool", "variable", "color_map")
     def _get_edge_plot(self):
-        plot_data = DATA_A.loc[self.tool]
+        plot_data = _get_data_a().loc[self.tool]
         return plot_data.hvplot(
             x="Number", y=self.variable, kind="area", alpha=0.6, color=self._color, responsive=True
         )
 
     @pn.depends("tool", "color_map")
     def _update_history_plot(self):
-        plot_data = DATA_B.loc[self.tool]
+        plot_data = _get_data_b().loc[self.tool]
         return plot_data.hvplot(
             x="Cut Distance", y="Feed", kind="line", line_width=4, responsive=True
         ).opts(color=self._color)