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It is best to follow the bentoml doc and run the service as suggested;

bentoml serve my_app:svc --reload

to run locally.

Ok Got it..Thanks Shingian

This is due to an incompatibility introduced in starlette. You can either downgrade

starlette<0.25.0

or upgrade

bentoml>=1.0.15

. See release notes, https://github.com/bentoml/BentoML/releases/tag/v1.0.15