globals.py is broken.

[cold-nagai]

mpv -v log:

vapoursynth: Script evaluation failed:
vapoursynth: Python exception: name 'vs' is not defined
vapoursynth:
vapoursynth: Traceback (most recent call last):
vapoursynth:   File "src\cython\vapoursynth.pyx", line 2866, in vapoursynth._vpy_evaluate
vapoursynth:   File "src\cython\vapoursynth.pyx", line 2867, in vapoursynth._vpy_evaluate
vapoursynth:   File "/home/nagai/.config/mpv/vs/info/globals.py", line 34, in <module>
vapoursynth:     assert isinstance(clip, vs.VideoNode)
vapoursynth: NameError: name 'vs' is not defined
vapoursynth:
vapoursynth: could not init VS
        vf: Disabling filter globalinfo because it has failed.

aur/vapoursynth-plugin-vstools-git 1.6.11.0.g814ba73-2 (+0 0.00) (Installed)