Support BoxAnnotation's new API Bokeh 3.3

holoviews/plotting/bokeh/annotation.py

@@ -263,7 +263,8 @@ class BoxAnnotationPlot(ElementPlot, AnnotationPlot):
     selection_display = None
 
     def get_data(self, element, ranges, style):
-        data, mapping = {}, {}
+        data = {}
+        mapping = {k: None for k in ('left', 'right', 'bottom', 'top')}
         kwd_dim1 = 'left' if isinstance(element, VSpan) else 'bottom'
         kwd_dim2 = 'right' if isinstance(element, VSpan) else 'top'
         if self.invert_axes:

holoviews/tests/plotting/bokeh/test_annotationplot.py

@@ -1,20 +1,22 @@
 import unittest
 
 import numpy as np
-import pandas as pd
 
 import holoviews as hv
 from holoviews.element import (
     HLine, VLine, Text, Labels, Arrow, HSpan, VSpan, Slope,
     HLines, VLines, HSpans, VSpans,
 )
-from holoviews.plotting.bokeh.util import bokeh32
+from holoviews.plotting.bokeh.util import bokeh32, bokeh33
 
 from .test_plot import TestBokehPlot, bokeh_renderer
 
 if bokeh32:
     from bokeh.models import VSpan as BkVSpan, HSpan as BkHSpan, VStrip as BkVStrip, HStrip as BkHStrip
 
+if bokeh33:
+    from bokeh.models.coordinates import Node
+
 
 class TestHVLinePlot(TestBokehPlot):
 
@@ -56,16 +58,24 @@ def test_hspan_invert_axes(self):
 
         assert span.left == 1.1
         assert span.right == 1.5
-        assert pd.isna(span.bottom)
-        assert pd.isna(span.top)
+        if bokeh33:
+            assert isinstance(span.bottom, Node)
+            assert isinstance(span.top, Node)
+        else:
+            assert span.bottom is None
+            assert span.top is None
         assert span.visible
 
     def test_hspan_plot(self):
         hspan = HSpan(1.1, 1.5)
         plot = bokeh_renderer.get_plot(hspan)
         span = plot.handles['glyph']
-        assert pd.isna(span.left)
-        assert pd.isna(span.right)
+        if bokeh33:
+            assert isinstance(span.left, Node)
+            assert isinstance(span.right, Node)
+        else:
+            assert span.left is None
+            assert span.right is None
         assert span.bottom == 1.1
         assert span.top == 1.5
         assert span.visible
@@ -80,8 +90,12 @@ def test_vspan_invert_axes(self):
         vspan = VSpan(1.1, 1.5).opts(invert_axes=True)
         plot = bokeh_renderer.get_plot(vspan)
         span = plot.handles['glyph']
-        assert pd.isna(span.left)
-        assert pd.isna(span.right)
+        if bokeh33:
+            assert isinstance(span.left, Node)
+            assert isinstance(span.right, Node)
+        else:
+            assert span.left is None
+            assert span.right is None
         assert span.bottom == 1.1
         assert span.top == 1.5
         assert span.visible
@@ -92,8 +106,12 @@ def test_vspan_plot(self):
         span = plot.handles['glyph']
         assert span.left == 1.1
         assert span.right == 1.5
-        assert pd.isna(span.bottom)
-        assert pd.isna(span.top)
+        if bokeh33:
+            assert isinstance(span.bottom, Node)
+            assert isinstance(span.top, Node)
+        else:
+            assert span.bottom is None
+            assert span.top is None
         assert span.visible
 
     def test_vspan_empty(self):