class_docstr: A `TrackerCallback` that saves the model's best during training and loads it at the end.
class_docstr_tok: ["A","`","TrackerCallback","`","that","saves","the","model","'s","best","during","training","and","loads","it","at","the","end","."]
code: def _save(self, name):
      self.last_saved_path = self.learn.save(
          name, with_opt=self.with_opt
      )
  
imports: from __future__ import annotations
  from ..basics import *
  from .progress import *
  from .fp16 import MixedPrecision
label_desc: Use image node_id 2 for calling the SaveModelCallback obj's underlying member method code with example usage: obj._save(name) without return types