Bug in tree_specific_reason()

[gildasmorvan]

Calling explainer.tree_specific_reason() and explainer.minimal_tree_specific_reason() on boosted trees raise this error

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
Cell In[34], line 6
      4 for instance, prediction in instances:
      5     explainer = Explainer.initialize(model, instance)
----> 6     tree_specific = explainer.tree_specific_reason()
      7     minimal = explainer.minimal_tree_specific_reason()
      8     display(HTML(f"<h4>Explanations for instance: {i}"))

File ~/Logiciels/pyxai/pyxai/sources/core/explainer/explainerBT.py:264, in ExplainerBT.tree_specific_reason(self, n_iterations, time_limit, seed, history)
    260     time_limit = 0
    262 if self.c_BT is None:
    263     # Preprocessing to give all trees in the c++ library
--> 264     self.c_BT = c_explainer.new_classifier_BT(self._boosted_trees.n_classes)
    266     for tree in self._boosted_trees.forest:
    267         c_explainer.add_tree(self.c_BT, tree.raw_data_for_CPP())

AttributeError: module 'c_explainer' has no attribute 'new_classifier_BT'