Missing @staticmethod for Logistic function
As shown here: https://github.com/brohrer/cottonwood/blob/main/cottonwood/core/activation.py#L6
All other methods are staticmethod so it is better to make all them uniform.
As shown here: https://github.com/brohrer/cottonwood/blob/main/cottonwood/core/activation.py#L6
All other methods are staticmethod so it is better to make all them uniform.