code: def unbroadcast(array, like):
    
    unbroadcaster = unbroadcasters[type(array)]
    return unbroadcaster(array, like)
docs: Reverse the broadcasting operation.
  
    Args:
      array: An array.
      like: An array that could have been broadcasted to the shape of array.
  
    Returns:
      Tensor with certain dimensions summed to match the shape of `like`.