code: def __repr__(self):
      s = self.__class__.__name__
      s += f"(psa_type={self.psa_type}, "
      s += f"mask_size={self.mask_size})"
      return s
  
file_path: lavis/lavis/common/annotator/uniformer/mmcv/ops/psa_mask.py
imports: from torch import nn
  from torch.autograd import Function
  from torch.nn.modules.utils import _pair
  from ..utils import ext_loader
label_desc: Use image node_id 3 for calling the PSAMask obj's underlying member method code with example usage: obj.__repr__() and returns: s