ledMatrixDisplayRaw

[el-lolo]

hi everyone.
I don t understand when I use "ledMatrixDisplayRaw" in my script .
python tell me
Traceback (most recent call last):
File "C:\Users\prouz\OneDrive\Documents\python_windows\megapi 2019\megapi 2019.py", line 110, in
ecran()
File "C:\Users\prouz\OneDrive\Documents\python_windows\megapi 2019\megapi 2019.py", line 49, in ecran
bot.ledMatrixDisplayRaw(8,1);
AttributeError: 'MegaPi' object has no attribute 'ledMatrixDisplayRaw'

I don t understand what can I do to fix it?