a20dfe09b9994fbb898fcf1dd2a87fe30777f964,stellargraph/mapper/full_batch_generators.py,FullBatchGenerator,__init__,#FullBatchGenerator#Any#Any#Any#Any#Any#Any#Any#,56

Before Change

        // Check that there is only a single node type for GAT or GCN
        node_types = list(G.node_types)
        if len(node_types) > 1:
            raise TypeError(
                "{}: node generator requires graph with single node type; "
                "a graph with multiple node types is passed. Stopping.".format(
                    type(self).__name__
                )
            )

        // Create sparse adjacency matrix:
        // Use the node orderings the same as in the graph features
        self.node_list = G.nodes()
        self.Aadj = G.to_adjacency_matrix()

        // Power-user feature: make the generator yield dense adjacency matrix instead

After Change

        G.check_graph_for_ml()

        // Check that there is only a single node type for GAT or GCN
        _ = G.unique_node_type(
            "G: expected a graph with a single node type, found a graph with node types: %(found)s"
        )

        // Create sparse adjacency matrix:
        // Use the node orderings the same as in the graph features
        self.node_list = G.nodes()

Instances