Failed to evaluate the script:
Python exception: No attribute with the name avs exists. Did you mistype a plugin namespace?
Traceback (most recent call last):
  File "vapoursynth.pyx", line 1152, in vapoursynth.vpy_evaluateScript (src\cython\vapoursynth.c:18500)
  File "C:/Program Files (x86)/VapourSynth/test.vpy", line 9, in <module>
    core.avs.LoadPlugin(path=r'C:\Program Files (x86)\AviSynth+\plugins\UnFilter.dll')
  File "vapoursynth.pyx", line 789, in vapoursynth.Core.__getattr__ (src\cython\vapoursynth.c:13146)
vapoursynth.Error: No attribute with the name avs exists. Did you mistype a plugin namespace?