Peach Pie

1 large can peaches (enough to fill a pie shell)
1/4 cup sugar
3 tbsp. flour
1/2 tsp. cinnamon
1 tbsp. butter or margarine
pie crust for one pie with crust top
Combine the first four ingredients. Place in pie 
crust. Dot with butter. Place top crust over pie. 
Bake at 400 degrees for 40 minutes or until done.