code: def _load_tuples(self, filepath=None):
      filepath = self._get_tuple_path(prefix=filepath)
      if os.path.exists(filepath):
          self.tuple_cache = torch.load(filepath)
          os.remove(filepath)
      else:
          crypten.log(
              f"Tuple cache not loaded - File `{filepath}` not found"
          )
  
imports: import os
  import crypten
  import crypten.communicator
  import torch
label_desc: Use image node_id 10 for calling the TupleProvider obj's underlying member method code with example usage: obj._load_tuples(filepath) without return types