Update dashboard.py

dashboard.py

@@ -416,32 +416,22 @@ def legend_hook(plot, element):
 '''
 
 def create_overlay_plots(df):
-
     def move_legend_below(plot, element):
         p = plot.state
-        legends = p.legend
-        if legends:
-            leg = legends[0]
-            #leg.orientation = 'horizontal'
-            #leg.legend_position = 'top_left'
-            leg.legend_cols = 8
-            leg.background_fill_color = 'white'
-            leg.border_line_color = 'black'
-            leg.label_text_font_size = '12pt'
-            leg.label_text_color = 'black'
-            leg.spacing = 10
-            leg.margin = 10
-            leg.label_standoff = 5
-
-            # Number of columns
-            try:
-                leg.columns = 8  # works in Bokeh 3.x
-            except Exception:
-                pass
-
-            # Remove it from its current location and re-add below
-            p.legend = []
-            p.add_layout(leg,'below')
+        if p.legend:
+            legend = p.legend[0]
+            legend.orientation = 'horizontal'
+            legend.location = 'center'  # center of the below layout, not plot area
+            legend.ncols = 8
+            legend.background_fill_color = 'white'
+            legend.border_line_color = 'black'
+            legend.label_text_font_size = '12pt'
+            legend.label_text_color = 'black'
+            legend.spacing = 10
+            legend.margin = 10
+            legend.label_standoff = 5
+
+            p.add_layout(legend, 'below')