code: def test_percentile_op_with_only_one_dist(self):
      self._test_percentile_op(
          original_inp=[[5]],
          value_to_pct_map=[[5, 0.4]],
          dist_lengths=[1],
          expected_values=[[0.4]],
      )
  
file_path: pytorch/caffe2/python/operator_test/percentile_op_test.py
imports: from caffe2.python import core, workspace
  import caffe2.python.hypothesis_test_util
  import numpy
label_desc: Use image node_id 3 for calling the TestPercentileOp obj's underlying member method code with example usage: obj.test_percentile_op_with_only_one_dist() without return types