Select sharp edges in a menu (fixed)

I did a slider in a own menu to increase or decrease selection using sharp edge angle, but I can only increase not decrease.

def update_sharpangle(self, context):   
              
    bpy.ops.mesh.edges_select_sharp(sharpness=radians(context.scene.sharpangle))

bpy.types.Scene.sharpangle=bpy.props.FloatProperty(default=70, min=0, max=90,precision=1,update=update_sharpangle)

OK solved it needed a delete line at each loop because “selection in blender is associative not overriding”
bpy.ops.mesh.select_all(action=‘DESELECT’)