class_docstr: Add the several SELayers to I3D for RGB input.
  Args:
      num_channels (int): the channel number of the input.
      num_classes (int): the class number of dataset.
      attention (string): the name of the SELayer.
          (Options: ["SELayerC", "SELayerT", "SELayerCoC", "SELayerMC", "SELayerMAC", "SELayerCT" and "SELayerTC"])
  
  Returns:
      model (VideoResNet): I3D model with SELayers.
code: def forward(self, x):
      return self.model(x)
  
file_path: pykale/kale/embed/video_se_i3d.py
imports: import torch.nn
  from torch.hub import load_state_dict_from_url
  from kale.embed.video_i3d import InceptionI3d
  from kale.embed.video_selayer import get_selayer, SELayerC, SELayerT
label_desc: Use image node_id 2 for calling the SEInceptionI3DRGB obj's underlying member method code with example usage: obj.forward(x) and returns: self