Banana devil's food tube cake

1 pk Devils food cake mix
      1 pk chocolate instant pudding sm
    1/2 c  flour
  1 1/4 c  Water
      4    Eggs
    1/2 c  Oil
      3    Bananas large
 
  * peel and mash bananas ***********************************************
  Preheat oven to 350^F. Grease 10 inch tube pan. Combine cake mix, pudding,
  and flour in a large mixing bowl. Add water, eggs, and oil: blend, then
  beat for 2 minutes at medium speed. Stir in bananas. Turn batter into pan.
  Bake for 60 - 70 minutes or until tested done. Cool for 1 hour in pan.