code: def reset_cache(self):
      self.cached_norm = None
  
file_path: deepsnap/examples/graph_classification/skip_models.py
imports: import torch
  import torch.nn
  import torch.nn.functional
  import torch_geometric.nn
  import torch_geometric.utils
label_desc: Use image node_id 2 for calling the SimpleConv obj's underlying member method code with example usage: obj.reset_cache() without return types