code: def get_target_size(self, size):
      w, h = size
      sd = self.size_divisor
      h = (h + sd - 1) // sd * sd
      w = (w + sd - 1) // sd * sd
      return w, h
  
imports: from collections import Counter
  import numpy
  import paddleseg
  import paddlepanseg.transforms.functional
  from paddlepanseg.cvlibs import manager
  from paddlepanseg.cvlibs.info_dicts import InfoDict
  from paddlepanseg.utils import encode_pan_id
  from .test_transforms import trim_for_test
label_desc: Use image node_id 3 for calling the PadToDivisible obj's underlying member method code with example usage: obj.get_target_size(size) and returns: w,  h