Prefer use of _repr_mimebundle_ in BaseFigureWidget

Using an existing function in renderers that fixes issues in classic notebooks

Author: abdelq

packages/python/plotly/plotly/basedatatypes.py

@@ -819,18 +819,10 @@ def _repr_mimebundle_(self, include=None, exclude=None, validate=True, **kwargs)
 
         renderer_str = pio.renderers.default
         renderers = pio._renderers.renderers
-        renderer_names = renderers._validate_coerce_renderers(renderer_str)
-        renderers_list = [renderers[name] for name in renderer_names]
         from plotly.io._utils import validate_coerce_fig_to_dict
-        from plotly.io._renderers import MimetypeRenderer
 
         fig_dict = validate_coerce_fig_to_dict(self, validate)
-        # Mimetype renderers
-        bundle = {}
-        for renderer in renderers_list:
-            if isinstance(renderer, MimetypeRenderer):
-                bundle.update(renderer.to_mimebundle(fig_dict))
-        return bundle
+        return renderers._build_mime_bundle(fig_dict, renderer_str, **kwargs)
 
     def _ipython_display_(self):
         """

packages/python/plotly/plotly/basewidget.py

@@ -733,12 +733,17 @@ def _handler_js2py_pointsCallback(self, change):
 
     # Display
     # -------
+    def _repr_html_(self):
+        """
+        Customize html representation
+        """
+        raise NotImplementedError  # Prefer _repr_mimebundle_
+
     def _ipython_display_(self):
         """
         Handle rich display of figures in ipython contexts
         """
-        # Override BaseFigure's display to make sure we display the widget version
-        widgets.DOMWidget._ipython_display_(self)
+        raise NotImplementedError  # Prefer _repr_mimebundle_
 
     # Callbacks
     # ---------