Traceback (most recent call last):
File /snap/blender/34/2.81/scripts/addons/power_sequencer/operators/align_audios.py, line 69, in execute
if not is_ffmpeg_available():
File /snap/blender/34/2.81/scripts/addons/power_sequencer/operators/align_audios.py, line 106, in is_ffmpeg_available
subprocess.call([ffmpeg, --help], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
NameError: name 'subprocess' is not defined