To install the addon, just download the sketchfab-x-y-z.zip file attached to the latest release, and install it as a regular blender addon (User Preferences -> Addons -> Install from file). After ...

I'm a baby blender user, and I want to import a 3D model from sketchfab directly. I keep getting this error, so I'm either really stupid or this is a bug. If I'm making a mistake, what is it and how ...