feat: Improve plot circles for better aesthetic

app.py

@@ -54,7 +54,7 @@ def draw_interactive_scatter_plot(
     source = ColumnDataSource(data=dict(x=xs, y=ys, text=texts, label=values_list, original_label=labels_list))
     hover = HoverTool(tooltips=[(text_column, "@text{safe}"), (label_column, "@original_label")])
     p = figure(plot_width=800, plot_height=800, tools=[hover])
-    p.circle("x", "y", size=10, source=source, fill_color=factor_cmap("label", palette=[Pallete[int(id_)] for id_ in values_color_set], factors=values_set))
+    p.circle("x", "y", size=10, source=source, fill_alpha=0.4, fill_color=factor_cmap("label", palette=[Pallete[int(id_)] for id_ in values_color_set], factors=values_set))
     p.axis.visible = False
     p.xgrid.grid_line_color = None
     p.ygrid.grid_line_color = None