code: def forward(self, x, shape):
      offset = self.conv_offset(shape)
      x = self.relu(self.conv_adaption(x, offset))
      return x
  
imports: import torch
  import torch.nn
  from mmcv.cnn import ConvModule, normal_init
  from mmcv.ops import DeformConv2d
  from mmdet.core import multi_apply, multiclass_nms
  from ..builder import HEADS
  from .anchor_free_head import AnchorFreeHead
label_desc: Use image node_id 3 for calling the FeatureAlign obj's underlying member method code with example usage: obj.forward(x, shape) and returns: x