class_docstr: Bbox sampling result.
      
class_docstr_tok: ["Bbox","sampling","result","."]
code: def __nice__(self):
      data = self.info.copy()
      data["pos_bboxes"] = data.pop("pos_bboxes").shape
      data["neg_bboxes"] = data.pop("neg_bboxes").shape
      parts = [f"'{k}': {v!r}" for k, v in sorted(data.items())]
      body = "    " + ",\n    ".join(parts)
      return "{\n" + body + "\n}"
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import paddle
  from ppdet.core.workspace import register
label_desc: Use image node_id 3 for calling the SamplingResult obj's underlying member method code with example usage: obj.__nice__() and returns: unknown