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#singer-tap-development
Title
# singer-tap-development
r

robby_robinson

05/04/2023, 4:41 PM
Hi, I am having an issue with mypy throwing an error
Signature of "authenticator" incompatible with supertype "RESTStream"
when using
@cached
from memoization on the authenticator method in a stream. The tap works otherwise but mypy does not like it. Has anyone run into this before? I don’t get a mypy error when
@cached
is not used. I am following the code sample here https://sdk.meltano.com/en/latest/code_samples.html#make-a-stream-reuse-the-same-authenticator-instance-for-all-requests