VHS-Decode python error on Windows 10

[peppi001]

python vhs-decode -p -t3 --10cxadc3 viva_error_p1.r16 test

ERROR - please paste the following into a bug report:
current sample: 0
arguments: Namespace(AGC=False, cafc=False, chroma_trap=False, cxadc=False, cxadc3=False, cxadc3_tenbit=True, cxadc_tenbit=False, debug=False, disable_comb=False, disable_dc_offset=False, disable_diff_demod=False, dod_hysteresis=1.25, dod_threshold_a=None, dod_threshold_p=None, dodod=False, high_boost=None, infile='viva_error_p1.r16', inputfreq=None, length=99999999, level_adjust=0.1, nldeemp=False, noAGC=None, nodod=False, notch=None, notch_q=10.0, ntsc=False, ntscj=False, outfile='test', pal=True, palm=False, recheck_phase=False, sharpness=0, start=0, start_fileloc=-1, sync_clip=False, tape_format='VHS', threads=3, track_phase=None, umatic=False)
Exception: [WinError 2] The system cannot find the file specified Traceback:
File "vhs-decode", line 258, in
f = vhsd.readfield()
File "c:\Peppi\vhs-decode-vhs_decode\vhsdecode\process.py", line 735, in readfield
f, offset = self.decodefield(initphase=initphase)
File "c:\Peppi\vhs-decode-vhs_decode\lddecode\core.py", line 3443, in decodefield
self.mtf_level,
File "c:\Peppi\vhs-decode-vhs_decode\lddecode\core.py", line 1306, in read
need_blocks = self.doread(toread, MTF, dodemod)
File "c:\Peppi\vhs-decode-vhs_decode\lddecode\core.py", line 1213, in doread
rawdata = self.loader(self.infile, b * self.blocksize, self.rf.blocklen)
File "c:\Peppi\vhs-decode-vhs_decode\lddecode\utils.py", line 402, in call
return self.read(infile, sample, readlen)
File "c:\Peppi\vhs-decode-vhs_decode\lddecode\utils.py", line 368, in read
command, stdin=infile, stdout=subprocess.PIPE
File "C:\Users\Peppi\AppData\Local\Programs\Python\Python37\lib\subprocess.py", line 800, in init
restore_signals, start_new_session)
File "C:\Users\Peppi\AppData\Local\Programs\Python\Python37\lib\subprocess.py", line 1207, in _execute_child
startupinfo)
Cannot build json: 'NoneType' object is not subscriptable

[oyvindln]

It could be some path thing, or it not finding ffmpeg, will have to test.

[peppi001]

Sorry, that was my fault.
Installed python-3.9.7-amd64.exe and ffmpeg solved the problem.