first try on wrapper classes (Object, Container (Column, Row)) that simplify the append/remove logic

plot2d.py

@@ -3,8 +3,10 @@ import numpy as np
 from bokeh.plotting import figure
 from bokeh.models import ColumnDataSource
 
+from buki import Object
 
-class Plot2D:
+
+class Plot2D(Object):
 
     def __init__(self, *args, **kwargs):
         data = {
@@ -13,8 +15,9 @@ class Plot2D:
 
         self.source = source = ColumnDataSource(data=data)
 
-        self.fig = fig = figure()
+        fig = figure()
         fig.image(source=source, x=0, y=0, dw=1, dh=1, palette="Spectral11")
+        super().__init__(fig)
 
 
     def set(self, image):