Full DirichletCalibrator throwing error #6

/home/ec2-user/anaconda3/envs/JupyterSystemEnv/lib/python3.6/site-packages/dirichletcal/__init__.py in fit(self, x, y, x_val, y_val, **kwargs)
     45             self.calibrator_ = FullDirichletCalibrator(
     46                 reg_lambda_list=self.l2_grid, reg_mu_list=self.comp_l2,
---> 47                 initializer=self.initializer)
     48         elif self.matrix_type == 'full_gen':
     49             self.calibrator_ = GenerativeDirichletCalibrator()

TypeError: __init__() got an unexpected keyword argument 'reg_lambda_list'