[BUG] SVT-AV1 not working with vapoursynth inputs (Arch Linux)

[Inky1003]

vspipe in that command blames a module that does not exist in Python...

Script evaluation failed:
Python exception: No module named 'validate'

Traceback (most recent call last):
  File "src/cython/vapoursynth.pyx", line 3387, in vapoursynth._vpy_evaluate
  File "src/cython/vapoursynth.pyx", line 3388, in vapoursynth._vpy_evaluate
  File "encodingTempSynthSkript_2025-02-26@02_23_09_5110_0.vpy", line 12, in <module>
    import validate
ModuleNotFoundError: No module named 'validate'