code: def forward(self, x):
      return F.pixel_shuffle(x, self.upscale_factor)
  
imports: import numpy
  import paddle
  import paddle.nn
  import paddle.nn.functional
  from paddle.vision.models import resnet101
  from .None import utils
label_desc: Use image node_id 2 for calling the PixelShuffle obj's underlying member method code with example usage: obj.forward(x) and returns: F