code: def forward(self, x, H, W):
      x = self.fc1(x)
      x = self.dwconv(x, H, W)
      x = self.act(x)
      x = self.drop(x)
      x = self.fc2(x)
      x = self.drop(x)
      return x
  
imports: from functools import partial
  import torch
  import torch.nn
  import torch.utils.checkpoint
  from ...ops.modules import MSDeformAttn
  from .drop_path import DropPath
label_desc: Use image node_id 2 for calling the ConvFFN obj's underlying member method code with example usage: obj.forward(x, H, W) and returns: x