Compute weC from weT

def correct(self, temp, we_t):
        """
        Compute weC from weT
        """
        if not PIDTempComp.in_range(temp):
            return None

        n_t = self.cf_t(temp)

        if n_t is None:
            return None

        we_c = we_t * n_t

        return we_c