[IO] fix tu_dataset

Author: dddg617

gammagl/io/tu.py

@@ -115,6 +115,6 @@ def split(edge_index, batch, x=None, edge_attr=None, y=None):
 			slices['y'] = node_slice
 		else:
 			slices['y'] = np.arange(0, batch[-1] + 2, dtype=np.int32)
-	graph = Graph(x=x, edge_index=edge_index, edge_feat=edge_attr, y=y).tensor()
+	graph = Graph(x=x, edge_index=edge_index, edge_attr=edge_attr, y=y).tensor()
 	return graph, slices