class_docstr: Schedule hyper-parameters according to `scheds`
class_docstr_tok: ["Schedule","hyper-parameters","according","to","`","scheds","`"]
code: def _update_val(self, pct):
      for n, f in self.scheds.items():
          self.opt.set_hyper(n, f(pct))
  
imports: from __future__ import annotations
  from ..basics import *
  from .tracker import SaveModelCallback
label_desc: Use image node_id 4 for calling the ParamScheduler obj's underlying member method code with example usage: obj._update_val(pct) without return types