code: def forward(self, x):
      with LightwoodAutocast():
          x = x + self.pe[: x.size(0), :]
          return self.dropout(x)
  
file_path: lightwood/lightwood/encoder/time_series/helpers/transformer_helpers.py
imports: import math
  import torch
  import torch.nn
  from lightwood.helpers.torch import LightwoodAutocast
label_desc: Use image node_id 2 for calling the PositionalEncoding obj's underlying member method code with example usage: obj.forward(x) and returns: self