[io, vview] fix unhashable type error, dynamic_actors.keys() to list
@@ -1479,7 +1479,7 @@ class VView(object):
actor.VisibilityOff()
def set_dynamic_actors_visibility(self, time):
- self.set_visibility_v(self.dynamic_actors.keys(), time)
+ self.set_visibility_v(list(self.dynamic_actors.keys()), time)
# callback maker for scale manipulation
def make_scale_observer(self, glyphs):
