code: def conv3x3(in_planes, out_planes, stride=1):
      """3x3 convolution with padding."""
      return nn.Conv2d(
          in_planes,
          out_planes,
          kernel_size=3,
          stride=stride,
          padding=1,
          bias=False,
      )
  
file_path: mmocr/mmocr/models/textrecog/layers/conv_layer.py
imports: import torch.nn
  from mmcv.cnn import build_plugin_layer
label_desc: Use image node_id 1 for calling a global function with example usage: conv3x3(in_planes, out_planes, stride) and returns: nn