In a large bowl whisk together the flour, sugar, baking powder, baking soda, allspice, ginger, cinnamon and salt. Add vanilla extract, eggs, oil, buttermilk and pumpkin mixing well with a spoon. Fold in nuts. Have your skillet or griddle hot, add a pat or two of butter or margarine, drop pancake mix by large spoonful onto griddle or into skillet. Cook on one side until brown, flip and continue cooking until pancakes are done.