code: def create_mock_edge_relations(edge_index, num_relations):
      """
      Creating a mock relation type tensor.
      """
      return torch.LongTensor(
          np.random.choice(
              num_relations, edge_index.shape[1], replace=True
          )
      )
  
imports: import torch
  import numpy
  import networkx
  from torch_geometric_temporal.nn.recurrent import GConvLSTM, GConvGRU, DCRNN, AGCRN
  from torch_geometric_temporal.nn.recurrent import GCLSTM, LRGCN, DyGrEncoder
  from torch_geometric_temporal.nn.recurrent import EvolveGCNH, EvolveGCNO, TGCN, A3TGCN, A3TGCN2, MPNNLSTM
label_desc: Use image node_id 6 for calling a global function with example usage: create_mock_edge_relations(edge_index, num_relations) and returns: torch