l = msm('leave').scale(2)
leavepath = msm('leavepath').scale(2)
xxp(ama(l,leavepath))
报错：
Exception: Cannot call Mobject.point_from_proportion for a Mobject with no points
需要改成：
l = msm('leave').scale(2)
leavepath = msm('leavepath').scale(2)
xxp(ama(l,leavepath[0]))
标签：scale,movealongpath,ama,leave,leavepath,msm,bug,manim From： https://www.cnblogs.com/daxiangcai/p/16747710.html