TypeError: '>=' not supported between instances of 'NoneType' and 'int'

[s1saida]

Traceback (most recent call last):
File "D:\Programs\Python\Python37\lib\runpy.py", line 193, in _run_module_as_main
"main", mod_spec)
File "D:\Programs\Python\Python37\lib\runpy.py", line 85, in run_code
exec(code, run_globals)
File "D:\Programs\audio_to_midi.venv\Scripts\audio-to-midi.exe_main.py", line 9, in
File "d:\programs\audio_to_midi.venv\lib\site-packages\audio_to_midi\main.py", line 113, in main
process.convert()
File "d:\programs\audio_to_midi.venv\lib\site-packages\audio_to_midi\converter.py", line 270, in convert
writer.add_notes(midi_list)
File "d:\programs\audio_to_midi.venv\lib\site-packages\audio_to_midi\midi_writer.py", line 40, in add_notes
if pitch >= 0:
TypeError: '>=' not supported between instances of 'NoneType' and 'int'

[s1saida]

Seems the issue is fixed in your newest code. Would you please push the new version to pip?