Do not set bokeh theme if theme is None
@@ -73,6 +73,7 @@ class BokehRenderer(Renderer):
plot = super(BokehRenderer, self_or_cls).get_plot(obj, doc, renderer, **kwargs)
if plot.document is None:
plot.document = Document() if self_or_cls.notebook_context else curdoc()
+ if self_or_cls.theme:
plot.document.theme = self_or_cls.theme
return plot
