code: def __call__(self, x: np.ndarray) -> np.ndarray:
      y: np.ndarray = x[self.indices] - self.translation
      if self.rotation_matrix is not None:
          y = self.rotation_matrix.dot(y)  # type: ignore
      return y
  
imports: import typing
  import numpy
label_desc: Use image node_id 2 for calling the Transform obj's underlying member method code with example usage: obj.__call__(x) and returns: y