code: def _verifyCholesky(self, x, atol=1e-6):
      # Verify that LL^T == x.
      with self.session() as sess:
          placeholder = array_ops.placeholder(
              dtypes.as_dtype(x.dtype), shape=x.shape
          )
          with self.test_scope():
              chol = linalg_ops.cholesky(placeholder)
          verification = test_util.matmul_without_tf32(
              chol, chol, adjoint_b=True
          )
          self._verifyCholeskyBase(
              sess, placeholder, x, chol, verification, atol
          )
  
imports: import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import linalg_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the CholeskyOpTest obj's underlying member method code with example usage: obj._verifyCholesky(x, atol) without return types