code: def testEmptyFloat(self):
      op = math_ops._bucketize(
          array_ops.zeros([0, 3], dtype=dtypes.float32), boundaries=[]
      )
      expected_out = np.zeros([0, 3], dtype=np.float32)
      with self.session():
          self.assertAllEqual(expected_out, self.evaluate(op))
  
file_path: tensorflow/tensorflow/python/kernel_tests/math_ops/bucketize_op_test.py
imports: import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the BucketizationOpTest obj's underlying member method code with example usage: obj.testEmptyFloat() without return types