def debug_derivative(self, guess):
        """returns (explicit, auto)"""
        from .lmmin import check_derivative
        return check_derivative(self.component.npar, self.data.size,
                                self.lm_model, self.lm_deriv, guess)
def debug_derivative ( self , guess ) : from . lmmin import check_derivative return check_derivative ( self . component . npar , self . data . size , self . lm_model , self . lm_deriv , guess )
returns (explicit, auto)