class_docstr: Average attention.
  See "Accelerating Neural Transformer via an Average Attention Network"
  for more details.
code: def extra_repr(self):
      return "embed_dim={}, dropout={}".format(
          self.embed_dim, self.dropout
      )
  
imports: import torch
  import torch.nn.functional
  from fairseq import utils
  from fairseq.incremental_decoding_utils import with_incremental_state
  from torch import nn
label_desc: Use image node_id 5 for calling the AverageAttention obj's underlying member method code with example usage: obj.extra_repr() and returns: str