def __init__(self, in_channels: int, r: int = 16):
        """
        Args:
            in_channels: The number of channels
                in the feature map of the input.
            r: The reduction ratio of the intermediate channels.
                Default: 16.
        """
        super().__init__()
        self.cse_block = cSE(in_channels, r)
        self.sse_block = sSE(in_channels)

        Args:
            in_channels: The number of channels
                in the feature map of the input.
            r: The reduction ratio of the intermediate channels.
                Default: 16.
        
catalyst/contrib/layers/se.py