def regularize_reliability(rel_1, rel_2):
    """
    Regularizes the reliability estimates for a pair of graders.

    Parameters
    ----------
    rel_1 : float. 
            Estimated reliability of grader 1.
    rel_2 : float. 
            Estimated reliability of grader 2.

    Returns
    -------
    t_1 : float. 
          Regularized reliability of grader 1.
    t_2 : float. 
          Regularized reliability of grader 2.
    """
    
    val = 1/0.7
    #val = 1/1.05
    
    p = 0.00
    
    t_1 = p*rel_1 + (1-p)*val
    t_2 = p*rel_2 + (1-p)*val
    
    return t_1, t_2