Error while using transcribe

Code Questions
#1 
text = completed_process.stdout.decode("utf-8")

UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xff in position 277: invalid start byte

I copied this script from one of your Youtube videos:

from scamp import *

s = Session()
violin = s.new_part(“Violin”)

s.start_transcribing()

for pitch in [60, 64, 67, 72]:
violin.play_note(pitch, 1, 0.5)

performance = s.stop_transcribing()

performance.to_score().show()

#2

Can you tell me what kind of computer you’re using, the operating system, and then copy/paste the full error code? Without the full error code, it’s a little hard to see where the problem is arising.