(a) The court may grant a divorce in favor of one spouse if during the marriage the other spouse:
(1) has been convicted of a felony;
(2) has been imprisoned for at least one year in the Texas Department of Criminal Justice, a federal penitentiary, or the penitentiary of another state; and
(3) has not been pardoned.
(b) The court may not grant a divorce under this section against a spouse who was convicted on the testimony of the other spouse.