code: def _unify(u, v, s):
      """Unify a Python ``slice`` object"""
      return unify(
          (u.start, u.stop, u.step), (v.start, v.stop, v.step), s
      )
  
file_path: pytorch/torch/fx/experimental/unification/more.py
imports: from .core import unify, reify
  from .dispatch import dispatch
label_desc: Use image node_id 7 for calling a global function with example usage: _unify(u, v, s) and returns: unify