add warning to linked selection
@@ -179,6 +179,10 @@ class _base_link_selections(param.ParameterizedFunction):
callback.operation)
else:
# This is a DynamicMap that we don't know how to recurse into.
+ self.param.warning(
+ "linked selection: Encountered DynamicMap that we don't know "
+ "how to recurse into:\n{!r}".format(hvobj)
+ )
return hvobj
elif isinstance(hvobj, Element):
# Register hvobj to receive selection expression callbacks
