code: def test_eigvalh_lower_complex():
      def fun(x):
          w, v = np.linalg.eigh(x)
          return tuple((w, np.abs(v)))
  
      D = 6
      mat = npr.randn(D, D) + 1j * npr.randn(D, D)
      check_grads(fun)(mat)
  
imports: from __future__ import absolute_import
  from builtins import range
  import itertools
  import autograd.numpy
  import autograd.numpy.random
  from autograd.test_util import check_grads
  from autograd import tuple
  from autograd import grad
  from functools import partial
  import pytest
label_desc: Use image node_id 26 for calling a global function with example usage: test_eigvalh_lower_complex() and returns: tuple