code: def forward(self, x):
      x = F.interpolate(x, self.size)
      return x.flatten(2)
  
imports: import paddle
  import paddle.nn
  import paddle.nn.functional
  from ppdet.modeling.initializer import constant_
  from paddle.nn.initializer import KaimingNormal
  import paddle.nn
label_desc: Use image node_id 2 for calling the FeatureResize obj's underlying member method code with example usage: obj.forward(x) and returns: x