Fix Muon optimizer module path #7802
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Signed-off-by: Masahiro Tanaka <mtanaka@anyscale.com>
sfc-gh-truwase
approved these changes
Jan 21, 2026
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Update the Muon optimizer import to its current location under deepspeed.runtime.zero.muon, so it’s correctly registered as a supported ZeRO optimizer. This prevents the “untested optimizer” assertion from firing.