abe5d5444ef91f59c194622da3d5318565cfe1b7,pgmpy/models/DynamicBayesianNetwork.py,DynamicBayesianNetwork,get_slice_nodes,#DynamicBayesianNetwork#,242

Before Change

    	>>> dbn.add_edges_from([(("D",0),("G",0)),(("I",0),("G",0)),(("G",0),("L",0)),(("D",0),("D",1))])
    	>>> dbn.get_slice_nodes()
    	
    	if time_slice not in (0, 1):
    		raise ValueError("The timeslice should belong only to 0 or 1")

    	return [(node, time_slice) for node in self.nodes()]

    def add_cpds(self, *cpds):
        

After Change

    	>>> dbn.add_edges_from([(("D",0),("G",0)),(("I",0),("G",0)),(("G",0),("L",0)),(("D",0),("D",1))])
    	>>> dbn.get_slice_nodes()
    	
    	if not str(time_slice).isdigit():
            raise ValueError("The timeslice should be a positive value greater than or equal to zero")

    	return [(node, time_slice) for node in self.nodes()]

    def add_cpds(self, *cpds):
        

Instances