AttributeError: Can't get attribute 'RizzoSignatures'

[IlNevioIl]

Hello, Im using ida pro 7.7. I used the install.py script and it works fine, however when I try to load a .riz, I get this error log:

Applying Rizzo signatures, this may take a few minutes... Generated 12802 formal signatures and 7800 fuzzy signatures for 19384 functions in 24.65 seconds. Loading signatures from C:\Users***\Desktop\myfile.riz... Traceback (most recent call last): File "F:/ida77/ida77/IDAPro7.7/plugins/rizzo.py", line 535, in activate rizzo_load() File "F:/ida77/ida77/IDAPro7.7/plugins/rizzo.py", line 515, in rizzo_load RizzoApply(fname) File "F:/ida77/ida77/IDAPro7.7/plugins/rizzo.py", line 498, in RizzoApply s = r.load() ^^^^^^^^ File "F:/ida77/ida77/IDAPro7.7/plugins/rizzo.py", line 163, in load sigs = pickle.load(fp) ^^^^^^^^^^^^^^^ AttributeError: Can't get attribute 'RizzoSignatures' on <module 'main' (built-in)>