szycha@szycha:~/vhs-teletext$ teletext deconvolve c+_france_tape_2_10mn.dat > stream.t42 --sample-rate 13500000 --line-length 720 -C
CUDA disabled by user request.
  1%|▏              | 2651/270000 [00:00<28:45, 154.96L/s, R:100%, M:|       |]Process SpawnProcess-5:
Traceback (most recent call last):
  File "/usr/lib/python3.7/multiprocessing/process.py", line 297, in _bootstrap
    self.run()
  File "/usr/lib/python3.7/multiprocessing/process.py", line 99, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/mp.py", line 87, in worker
    renumerate(function(denumerate(work_queue, tmp_queue), *args, **kwargs), result_queue, tmp_queue)
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/mp.py", line 67, in renumerate
    for item in iterator:
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/vbi/line.py", line 237, in process_lines
    yield getattr(Line(chunk, number), mode)(mags, rows)
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/vbi/line.py", line 177, in deconvolve
    bits_array = normalise(self.chop(0, 368))
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/vbi/line.py", line 97, in chop
    return np.add.reduceat(self._original, Line.config.bits[start:stop+1] - r)[:-1] / Line.config.bit_lengths[start:stop]
IndexError: index 721 out-of-bounds in add.reduceat [0, 720)
Traceback (most recent call last):
  File "/usr/local/bin/teletext", line 11, in <module>
    load_entry_point('teletext==3.0.0', 'console_scripts', 'teletext')()
  File "/home/szycha/.local/lib/python3.7/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/home/szycha/.local/lib/python3.7/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/home/szycha/.local/lib/python3.7/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/szycha/.local/lib/python3.7/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/szycha/.local/lib/python3.7/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/home/szycha/.local/lib/python3.7/site-packages/click/decorators.py", line 17, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/clihelpers.py", line 225, in cmd
    return f(*_args, **_kwargs)
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/clihelpers.py", line 60, in wrapper
    return f(config=config, *args,**kwargs)
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/clihelpers.py", line 188, in wrapper
    for p in packets:
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/pipeline.py", line 86, in to_file
    for p in packets:
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/stats.py", line 48, in __iter__
    for p in self._packets:
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/cli.py", line 314, in <genexpr>
    packets = (p for p in packets if isinstance(p, Packet))
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/stats.py", line 74, in __iter__
    for l in self._lines:
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/mp.py", line 269, in itermap
    yield from pool.apply(iterable)
  File "/usr/local/lib/python3.7/dist-packages/teletext-3.0.0-py3.7.egg/teletext/mp.py", line 153, in apply
    raise ChildProcessError('A worker process stopped unexpectedly.')
ChildProcessError: A worker process stopped unexpectedly.
  1%|▏             | 2651/270000 [00:00<01:29, 2994.16L/s, R:100%, M:|       |]
szycha@szycha:~/vhs-teletext$