class_docstr: Basic class handling tweaks of the training loop by changing a `Learner` in various events
class_docstr_tok: ["Basic","class","handling","tweaks","of","the","training","loop","by","changing","a","`","Learner","`","in","various","events"]
code: def __repr__(self):
      return type(self).__name__
  
imports: from __future__ import annotations
  from ..data.all import *
  from ..optimizer import *
  from ..losses import BaseLoss
label_desc: Use image node_id 2 for calling the Callback obj's underlying member method code with example usage: obj.__repr__() and returns: type