code: def change_input_channels(
      self, input_channels: int, mode="auto", **kwargs
  ):
      self.layer0[0][0] = make_n_channel_input(
          self.layer0[0][0], input_channels, mode=mode, **kwargs
      )
      return self
  
file_path: pytorch-toolbelt/pytorch_toolbelt/modules/encoders/mobilenet.py
imports: from .common import EncoderModule, _take, make_n_channel_input
  from ..backbone.mobilenet import MobileNetV2
label_desc: Use image node_id 3 for calling the MobileNetV3Small obj's underlying member method code with example usage: obj.change_input_channels(input_channels, mode) and returns: self