Todd Gamblin 4d6462247e externals: avoid importing jinja2 on startup (#14308) ... Jinja2 costs a tenth to a few tenths of a second to import, so we should avoid importing it on startup. - [x] only import jinja2 within functions		2019-12-28 14:43:23 -08:00
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spack	externals: avoid importing jinja2 on startup (#14308)	2019-12-28 14:43:23 -08:00