class_docstr: Training with exponentially growing learning rate
class_docstr_tok: ["Training","with","exponentially","growing","learning","rate"]
code: def before_validate(self):
      raise CancelValidException()
  
imports: from __future__ import annotations
  from ..basics import *
  from .tracker import SaveModelCallback
label_desc: Use image node_id 5 for calling the LRFinder obj's underlying member method code with example usage: obj.before_validate() without return types