764b22136f964c50bcf7d30c4f1efe6bdaabd50b,src/BayesianModel/BayesianModel.py,BayesianModel,_get_ancestors_observation,#BayesianModel#Any#,736

Before Change

        Returns ancestors of all the observed elements
        obs_list = [obs for obs in observation]
        ancestors_list = []
        while obs_list:
            node = obs_list.pop()
            if node not in ancestors_list:
                obs_list += self.predecessors(node)
            ancestors_list += [node]
        return ancestors_list

    def _get_observed_list(self):
        

After Change

        
        Returns a list of all ancestors of all the observed nodes.
        
        ancestors_list = set()
        for node in observed_list:
            for predecessor in self.predecessors(node):
                ancestors_list.add(predecessor)
        return ancestors_list

    def _get_observed_list(self):
        

Instances