class_docstr: Common functionality between `Optimizer` and `OptimWrapper`
class_docstr_tok: ["Common","functionality","between","`","Optimizer","`","and","`","OptimWrapper","`"]
code: def unfreeze(self):
      self.freeze_to(0)
  
imports: from __future__ import annotations
  from .torch_basics import *
label_desc: Use image node_id 8 for calling the _BaseOptimizer obj's underlying member method code with example usage: obj.unfreeze() without return types