If you've downloaded the latest blender release candidate, you might have found that certain addons (including ours) don't work. What we've tracked this down to, with thanks to Paul Reznick's post in our forum (thanks mate!), is that it appears that any addon that relies on the python library 'types' causes an error as soon as it's loaded.
You can of course confirm this yourself in a number of ways, first is the easy one, you might have already noticed your favourite addon not working, or our addon not working, either one.
The really quick way to verify for sure is to open Blender's python console and simply type
kind of like this...
Great, how to fix this please?
Thanks to Paul's skills and generosity, he has discovered and published a workaround in our forum, which will be summarised here. There are some important caveats with this method, which is a workaround until the cause of the problem is fixed.
Is it safe?
The solution involves turning off Macintosh's SIP (System Integrity Protection) which is all about stopping malware from making unwanted changes to system files. If you feel this might be not in your best interests, then this fix is certainly not for you, you'll need to disable the SIP in order to get addons that use ctypes to work. Common sense applies here, if you don't know the consequences of turning of the SIP, its better to wait for the official fix.