code: def forward(self, inputs):
      hidden = self.act(self.i(inputs))
      hidden = self.dropout(hidden)
      out = self.o(hidden)
      return out
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import json
  import logging
  import math
  import six
  import numpy
  import paddle
  from paddle import nn
  from paddle.nn import functional
  from disco_diffusion_ernievil_base.vit_b_16x.ernievil2.transformers.file_utils import _fetch_from_remote, add_docstring
label_desc: Use image node_id 2 for calling the PositionwiseFeedForwardLayer obj's underlying member method code with example usage: obj.forward(inputs) and returns: out