code: def upsample(self, F, x):
      return F.contrib.BilinearResize2D(x, **self._up_kwargs)
  
imports: from mxnet.context import cpu
  from mxnet.gluon.block import HybridBlock
  from mxnet.gluon import nn
label_desc: Use image node_id 3 for calling the _FastPyramidPooling obj's underlying member method code with example usage: obj.upsample(F, x) and returns: F