[BUG] Incorrect range signalling

# Imports

import vapoursynth as vs

# getting Vapoursynth core

import ctypes

import sys

import os

core = vs.core

# Import scripts folder

scriptPath = 'C:/Program Files/Hybrid/64bit/vsscripts'

sys.path.insert(0, os.path.abspath(scriptPath))

# Loading Support Files

Dllref = ctypes.windll.LoadLibrary("C:/Program Files/Hybrid/64bit/vsfilters/Support/libfftw3f-3.dll")

# loading plugins

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/GrainFilter/RemoveGrain/RemoveGrainVS.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/GrainFilter/AddGrain/AddGrain.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/DenoiseFilter/NEO_FFT3DFilter/neo-fft3d.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/DenoiseFilter/DFTTest/DFTTest.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/Support/EEDI3m.dll")# vsQTGMC

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/ResizeFilter/nnedi3/vsznedi3.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/Support/libmvtools.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/Support/fmtconv.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/MiscFilter/MiscFilters/MiscFilters.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/DeinterlaceFilter/Bwdif/Bwdif.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/SourceFilter/LSmashSource/LSMASHSource.dll")

# Import scripts

import qtgmc

import validate

# Source: 'I:\RAW\VITALII\tape4_2.mkv'

# Current color space: YUV420P8, bit depth: 8, resolution: 720x576, frame rate: 25fps, scanorder: top field first, yuv luminance scale: full, matrix: 709, transfer: bt.709, primaries: bt.709, format: AVC

# Loading I:\RAW\VITALII\tape4_2.mkv using LWLibavSource

clip = core.lsmas.LWLibavSource(source="I:/RAW/VITALII/tape4_2.mkv", format="YUV420P8", stream_index=0, cache=0, prefer_hw=0)

frame = clip.get_frame(0)

# setting color matrix to 709.

clip = core.std.SetFrameProps(clip, _Matrix=vs.MATRIX_BT709)

# setting color transfer (vs.TRANSFER_BT709), if it is not set.

if validate.transferIsInvalid(clip):

  clip = core.std.SetFrameProps(clip=clip, _Transfer=vs.TRANSFER_BT709)

# setting color primaries info (to vs.PRIMARIES_BT470_BG), if it is not set.

if validate.primariesIsInvalid(clip):

  clip = core.std.SetFrameProps(clip=clip, _Primaries=vs.PRIMARIES_BT470_BG)

# setting color range to PC (full) range.

clip = core.std.SetFrameProps(clip=clip, _ColorRange=vs.RANGE_FULL)

# making sure frame rate is set to 25fps

clip = core.std.AssumeFPS(clip=clip, fpsnum=25, fpsden=1)

# making sure the detected scan type is set (detected: top field first)

clip = core.std.SetFrameProps(clip=clip, _FieldBased=vs.FIELD_TOP) # tff

# Deinterlacing using QTGMC

clip = qtgmc.QTGMC(Input=clip, Preset="Fast", TFF=True) # new fps: 50

# Making sure content is preceived as frame based

clip = core.std.SetFrameProps(clip=clip, _FieldBased=vs.FIELD_PROGRESSIVE) # progressive

# adjusting output color from: YUV420P8 to YUV422P8 for FFV1Model

clip = core.resize.Bicubic(clip=clip, format=vs.YUV422P8, range_s="full")

# set output frame rate to 50fps (progressive)

clip = core.std.AssumeFPS(clip=clip, fpsnum=50, fpsden=1)

# output

clip.set_output()