code: def sinkhorn_transport_plan(
      x,
      y,
      cost=_dummy_cost,
      regularization=1.0,
      max_iter=1000,
      error_tolerance=1e-9,
      change_tolerance=1e-9,
  ):
      dim_x = x.shape[0]
      dim_y = y.shape[0]
      u = np.full(dim_x, 1.0 / dim_x, dtype=cost.dtype)
      v = np.full(dim_y, 1.0 / dim_y, dtype=cost.dtype)
  
      K = K_from_cost(cost, regularization)
      u, v = sinkhorn_iterations(
          x,
          y,
          u,
          v,
          K,
          max_iter=max_iter,
          error_tolerance=error_tolerance,
          change_tolerance=change_tolerance,
      )
  
      return transport_plan(K, u, v)
  
imports: import numpy
  import numba
  from collections import namedtuple
  from enum import Enum, IntEnum
label_desc: Use image node_id 25 for calling a global function with example usage: sinkhorn_transport_plan(x, y, cost, regularization, max_iter, error_tolerance, change_tolerance) and returns: transport_plan