The title of any purchaser in good faith, without knowledge of a will, to any real estate situated in this state, derived from the heirs of any person not domiciled in this state at the time of the person's death, shall not be defeated by the production of the will of the decedent unless a petition for the probate of such will in this state is filed within six months from the death of the testator.
K.S.A. 59-803