code: def _verifyExponentialComplex(self, x):
      for np_type in [np.complex64, np.complex128]:
          self._verifyExponential(x, np_type)
  
imports: import itertools
  import numpy
  from tensorflow.python.client import session
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import control_flow_ops
  from tensorflow.python.ops import random_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.ops.linalg import linalg_impl
  from tensorflow.python.platform import benchmark
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the ExponentialOpTest obj's underlying member method code with example usage: obj._verifyExponentialComplex(x) without return types