code: def unbroadcast_einsum(x, target_meta, subscript):
      if Ellipsis not in subscript:
          return x
      elif subscript[0] == Ellipsis:
          return unbroadcast(x, target_meta, 0)
      elif subscript[-1] == Ellipsis:
          return unbroadcast(x, target_meta, -1)
      else:
          return unbroadcast(x, target_meta, subscript.index(Ellipsis))
  
imports: from __future__ import absolute_import
  from six import string_types
  from functools import partial
  import numpy
  from ..util import func
  from .None import numpy_wrapper
  from .numpy_boxes import ArrayBox
  from autograd.extend import primitive, vspace, defvjp, defvjp_argnum, SparseObject, VJPNode, register_notrace
label_desc: Use image node_id 41 for calling a global function with example usage: unbroadcast_einsum(x, target_meta, subscript) and returns: x, unbroadcast, unbroadcast, unbroadcast