code: def demo(self, x):
      h, w = x.shape[2:]
      self.aspp.concurent[-1]._up_kwargs["height"] = h
      self.aspp.concurent[-1]._up_kwargs["width"] = w
      x = self.aspp(x)
      return self.block(x)
  
imports: from mxnet.gluon import nn
  from mxnet.context import cpu
  from mxnet.gluon.nn import HybridBlock
  from mxnet import gluon
  from .segbase import SegBaseModel
  from .fcn import _FCNHead
label_desc: Use image node_id 3 for calling the _DeepLabHead obj's underlying member method code with example usage: obj.demo(x) and returns: self