Mp4 error if track has no audio data

[mrta]

If Mp4 has no audio data this is the error. But i would like to edit my mp4 file even if there is no audio data

Traceback (most recent call last):
File "", line 1, in
File "/usr/local/lib/python2.7/dist-packages/mutagen/_util.py", line 131, in wrapper_func
return func(h, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/mutagen/_file.py", line 295, in File
return Kind(fileobj, filename=filething.filename)
File "/usr/local/lib/python2.7/dist-packages/mutagen/_file.py", line 48, in init
self.load(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/mutagen/_util.py", line 123, in wrapper
return func(self, h, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/mutagen/mp4/init.py", line 991, in load
self.info = MP4Info(atoms, fileobj)
File "/usr/local/lib/python2.7/dist-packages/mutagen/_util.py", line 152, in wrapper
return func(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/mutagen/mp4/init.py", line 874, in init
raise MP4StreamInfoError("track has no audio data")
mutagen.mp4.MP4StreamInfoError: track has no audio data

[lazka]

If Mp4 has no audio data this is the error. But i would like to edit my mp4 file even if there is no audio data

What are you trying to do?

[mrta]

mutagen.File(filepath)

or

from mutagen.mp4 import MP4
MP4(filepath)

[lazka]

I mean what is your use case. mutagen is an audio metadata library after all

[mrta]

My use case is tagging mp4 files. Often files with video and audio track. Sometimes without audio track.

[lazka]

ok