code: def is_better(self, current: float) -> bool:
      dynamic_threshold = (
          self.best * (1 + self.threshold)
          if self.threshold_mode == "rel"
          else self.best + self.threshold
      )
      if self.mode == "min":
          return current < dynamic_threshold
      return current > dynamic_threshold
  
imports: import math
  from typing import List
  from tinygrad.nn.optim import Optimizer
  from tinygrad.tensor import Tensor
label_desc: Use image node_id 2 for calling the ReduceLROnPlateau obj's underlying member method code with example usage: obj.is_better(current) and returns: unknown, unknown