Refactor packages info to remove conflicting logging #571
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What
Small refactoring to gate missing
flash_attnwarning logs behind not havingAITERinstalled.Why
Currently when running xDiT on AMD devices, one can use AITER instead of
flash_attn, which meansflash_attndoesn't even have to be installed.Having AITER installed, xDiT correctly logs that AITER is installed and will be used as the attention library, but missing
flash_attnthen triggers another warning log:SDPA will not be used if AITER is present, so this PR gates this warning, so only if AITER is not installed will this be logged.