class_docstr: Greedy strategy which selects the one with the highest validation loss.
code: def _select(self):
      # No needs to reselect since this strategy is deterministic.
      return self.current_selection.numpy()
  
imports: import gin
  import tensorflow.compat.v2
label_desc: Use image node_id 1 for calling the GreedyStrategy obj's underlying member method code with example usage: obj._select() and returns: self