code: def compare(self, x):
      np_ans = np.trace(x, axis1=-2, axis2=-1)
      with self.cached_session():
          tf_ans = math_ops.trace(x).eval()
      self.assertAllClose(tf_ans, np_ans)
  
file_path: tensorflow-upstream/tensorflow/python/kernel_tests/trace_op_test.py
imports: import numpy
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the TraceTest obj's underlying member method code with example usage: obj.compare(x) without return types