code: def _forward_compute(self, x):
      return np.abs(x)
  
imports: import weakref
  from ..distributions.utils import _clip_prob, cached_property, sum_right_most
  from ...block import HybridBlock
  from ....None import np, npx
label_desc: Use image node_id 1 for calling the AbsTransform obj's underlying member method code with example usage: obj._forward_compute(x) and returns: np