Trying to build example effect on macOS in Xcode, (m1 processor, Ventura 13.3)

getting error with plist formatting it seems?

any suggestions how to fix this? Is this related to plist library code in python being fussy about syntax of plist file?

Thanks.

PhaseScriptExecution Run\ Script\ -\ prepare_resources-mac.py /Users/nb/Library/Developer/Xcode/DerivedData/IPlugEffect-cvhypwkvgljicygmvvtmtcfmwbjx/Build/Intermediates.noindex/IPlugEffect-macOS.build/Debug/AU.build/Script-4FBCC1A21FD59C7300EFE550.sh (in target 'AU' from project 'IPlugEffect-macOS')
cd /Users/nb/iplug/iPlugR2/iPlug2/Examples/IPlugEffect/projects
/bin/sh -c /Users/nb/Library/Developer/Xcode/DerivedData/IPlugEffect-cvhypwkvgljicygmvvtmtcfmwbjx/Build/Intermediates.noindex/IPlugEffect-macOS.build/Debug/AU.build/Script-4FBCC1A21FD59C7300EFE550.sh

Copying resources ...
copying Roboto-Regular.ttf to /Users/nb/Library/Audio/Plug-Ins/Components/IPlugEffect.component/Contents/Resources
Processing Info.plist files...
Traceback (most recent call last):
File "/Users/nb/iplug/iPlugR2/iPlug2/Examples/IPlugEffect/projects/../scripts/prepare_resources-mac.py", line 215, in
main()
File "/Users/nb/iplug/iPlugR2/iPlug2/Examples/IPlugEffect/projects/../scripts/prepare_resources-mac.py", line 141, in main
auv3 = plistlib.load(fp)
File "/Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.9/lib/python3.9/plistlib.py", line 869, in load
raise InvalidFileException()
plistlib.InvalidFileException: Invalid file
Command PhaseScriptExecution failed with a nonzero exit code