code: def set_classes(self, class_names):
      self.c = (
          class_names.tolist()
          if isinstance(class_names, np.ndarray)
          else class_names
      )
  
imports: from .imports import *
  from subprocess import Popen
label_desc: Use image node_id 3 for calling the YTransform obj's underlying member method code with example usage: obj.set_classes(class_names) without return types