sage9.3 verification error for python3 on MacOS Big Sur

[Udo Baumgartner]

Hi, 

I installed the new sage9.3 which according to release notes supports Mac OS Big Sur on intel machines. However, when I launch I get the the following error message:

“python3.9” cannot be opened because the developer cannot be verified.

I did not encounter that problem with the app-versions I usually use, in particular with 9.2 (which however has other problems). When I was forced to install myself to get access with sage9.1 to some data computed with earlier versions I seem to recall there was an analogous error. However, an app-version of sage appears not to be available for version sage9.3. 

How do I fix this? I searched for information on this but was unsuccessful.

Help would be very much appreciated. 

Best, 

Udo 

[Nathan Dunfield]

Try this version: https://github.com/3-manifolds/Sage_macOS/releases/tag/v1.1-beta

[Samuel Lelievre]

2021-05-25 03:39:14 UTC, Nathan Dunfield:

>

> Try this version:

>

>   https://github.com/3-manifolds/Sage_macOS/releases/tag/v1.1-beta

This will get you Sage 9.3.rc4, almost identical to Sage 9.3.

The macOS app for Sage 9.3 should hopefully be available

in a week or so at:

   https://github.com/3-manifolds/Sage_macOS/releases/

[Udo Baumgartner]

Many thanks, Nathan and Samuel. I'll wait for the app version and if that doesn't work out I'lll try the beta release. 

Best regards, 

Udo