class_docstr: Data augmentation method in `InstaBoost: Boosting Instance
  Segmentation Via Probability Map Guided Copy-Pasting
  <https://arxiv.org/abs/1908.07801>`_.
  
  Refer to https://github.com/GothicAi/Instaboost for implementation details.
code: def __repr__(self):
      repr_str = self.__class__.__name__
      repr_str += f"(cfg={self.cfg}, aug_ratio={self.aug_ratio})"
      return repr_str
  
file_path: insightface/detection/scrfd/mmdet/datasets/pipelines/instaboost.py
imports: import numpy
  from ..builder import PIPELINES
label_desc: Use image node_id 5 for calling the InstaBoost obj's underlying member method code with example usage: obj.__repr__() and returns: repr_str