Is typing-extensions actually an optional import #9
Description
We have typing-extensions as an optional dependency but I haven't found a typeright subcommand that doesn't depend on it. This becomes a problem when using something like rez-pip to install typeright since extras aren't really hashed out with the released rez-pip yet. I can alter the package.py but it would be nice if it came in working condition.
Either way I am pretty sure its import in annotations.main is unguarded against version so it is required for even versions 3.10+. I can throw together a quick PR for guarding it properly if that works