code: def normalize(self, x):
      if self.take_log_of_input:
          x = torch.log(x + 1)
      return x
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  from nemo.collections.tts.modules.common import ConvLSTMLinear
  from nemo.collections.tts.modules.submodules import ConvNorm, MaskedInstanceNorm1d
  from nemo.collections.tts.modules.transformer import FFTransformer
  from nemo.collections.tts.parts.utils.helpers import get_mask_from_lengths
label_desc: Use image node_id 2 for calling the AttributeProcessing obj's underlying member method code with example usage: obj.normalize(x) and returns: x