CryptographyDeprecationWarning

hue runserver
/ddhome/bin/hue/build/env/lib/python2.7/site-packages/requests_kerberos-0.12.0-py2.7.egg/requests_kerberos/kerberos_.py:11: CryptographyDeprecationWarning: Python 2 is no longer supported by the Python core team. Support for it is now deprecated in cryptography, and will be removed in the next release.
  from cryptography import x509
/ddhome/bin/hue/build/env/lib/python2.7/site-packages/requests_kerberos-0.12.0-py2.7.egg/requests_kerberos/kerberos_.py:11: CryptographyDeprecationWarning: Python 2 is no longer supported by the Python core team. Support for it is now deprecated in cryptography, and will be removed in the next release.
  from cryptography import x509
Performing system checks...

System check identified some issues:

WARNINGS:
jobbrowser.DagDetails.dag_info: (fields.W342) Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.
HINT: ForeignKey(unique=True) is usually better served by a OneToOneField.
jobbrowser.QueryDetails.hive_query: (fields.W342) Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.
HINT: ForeignKey(unique=True) is usually better served by a OneToOneField.

System check identified 2 issues (0 silenced).
April 05, 2022 - 18:06:42
Django version 1.11.29, using settings 'desktop.settings'
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