I have a script.py that worked until today, but today it gave an error,
although when checking sage -v it says SageMath version 9.0, Release Date:
2020-01-01
using ubuntu 20.04
on the first line is:
from sage.all import *
error:
sage-python3 script.py
Traceback (most recent call last):
File "/script.py", line 1, in <module>
from sage.all import *
File "/usr/lib/python3/dist-packages/sage/all.py", line 77, in <module>
from cysignals.signals import (AlarmInterrupt, SignalError,
File "/usr/lib/python3/dist-packages/cysignals/__init__.py", line 1, in
<module>
from .signals import AlarmInterrupt, SignalError, init_cysignals # noqa
ModuleNotFoundError: No module named 'cysignals.signals'sage-python3
script.py
Please tell me what is the reason for the error?
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