code: def annealer(f):
      "Decorator to make `f` return itself partially applied."
  
      @functools.wraps(f)
      def _inner(start, end):
          return _Annealer(f, start, end)
  
      return _inner
  
imports: from __future__ import annotations
  from ..basics import *
  from .tracker import SaveModelCallback
label_desc: Use image node_id 1 for calling a global function with example usage: annealer(f) and returns: _inner, _Annealer