In a large heavy pot over medium heat, brown the ground turkey and Italian sausage in oil for 5 minutes or until done. Remove meat from pan, leaving 1 tablespoon drippings. Sauté onion in drippings for 3 minutes until softened. Add garlic and cook for 2 minutes, stirring often. Return browned meat to pot. Add sweet potatoes, beans, sauce, 1 1/2 cups water, paprika, chili powder and salt to pot. Whisk remaining water and flour together; stir into other ingredients. Cover and cook over medium-low heat for 2 hours, stirring occasionally.