No handlers could be found for logger "saml2.mdstore"

[simevo]

questo warning viene stampato quando si lancia interattivamente il servizio:

No handlers could be found for logger "saml2.mdstore"
 * Serving Flask app "spid-testenv" (lazy loading)
 * Environment: development
 * Debug mode: on
 * Running on http://0.0.0.0:8088/ (Press CTRL+C to quit)

patch:

from saml2 import mdstore
mdstore.logger.addHandler(handler)