NO, neither pro-independence nor 'pro-independence' but just 'better national income accounting for the country' and not the openly pro-Union 'completely rubbish approximations' known as GERS. See this prof for more: https://www.taxresearch.org.uk/Blog/2018/08/22/gers-really-is-crap/
GERS really is CRAP

It was largely by accident that I became a commentator on the Scottish government's Government Expenditure and Revenue Scotland (GERS) statement about 18 months ago. I dislike poor accounting, and GERS is very poor accounting because it fails to use the same basis for accounting for revenue and expenditure, which...

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