def hl2alpha(self, hl):
    '[summary]\n\n        Args:\n            hl ([type]): [description]\n\n        Returns:\n            [type]: [description]\n        '
    return np.exp((np.log(0.5) / hl))
[summary]

Args:
    hl ([type]): [description]

Returns:
    [type]: [description]
def hl2alpha(self, hl):
    '[summary]\n\n        Args:\n            hl ([type]): [description]\n\n        Returns:\n            [type]: [description]\n        '
    return np.exp((np.log(0.5) / hl))