old_contents: """ Contains custom PyTorch layers """
  from .core import Identity, Activation, Dense, Flatten, \
                    Conv, SeparableConv, ConvTranspose, SeparableConvTranspose, \
                    BatchNorm, Dropout, Pool, AdaptivePool, GlobalPool, \
                    Upsample, PixelShuffle, SubPixelConv
  from .conv_block import ConvBlock
  
new_contents: """ Contains custom PyTorch layers """
  from .core import Identity, Activation, Dense, Flatten, \
                    Conv, SeparableConv, ConvTranspose, SeparableConvTranspose, \
                    BatchNorm, Dropout, Pool, AdaptivePool, GlobalPool, \
                    Interpolate, PixelShuffle, SubPixelConv
  from .conv_block import ConvBlock
  from .upsample import Upsample
  
subject: Add Upsample to init