code: def forward(self, x):
      h, w = 2 * x.size(2), 2 * x.size(3)
      p = F.upsample(input=x, size=(h, w), mode="bilinear")
      return self.conv(p)
  
file_path: pywick/pywick/models/segmentation/lexpsp.py
imports: from .lex_extractors import *
label_desc: Use image node_id 2 for calling the PSPUpsample obj's underlying member method code with example usage: obj.forward(x) and returns: self