code: def conv1x1(in_planes, out_planes):
      """1x1 convolution with padding."""
      return nn.Conv2d(
          in_planes,
          out_planes,
          kernel_size=1,
          stride=1,
          padding=0,
          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 2 for calling a global function with example usage: conv1x1(in_planes, out_planes) and returns: nn