DeprecationWarning: The 'warn' method is deprecated, use 'warning' instead

[FirefighterBlu3]

/usr/lib/python3.6/site-packages/txaio/aio.py:123: DeprecationWarning: The 'warn' method is deprecated, use 'warning' instead
  getattr(logger._logger, level)(msg)

there seems to be some confusion, but "warn" is the deprecated name.

/usr/lib/python3.6/site-packages/txaio/aio.py:217:        'warn': logging.WARNING,
/usr/lib/python3.6/site-packages/txaio/tx.py:101:        warn = 'warn'
/usr/lib/python3.6/site-packages/txaio/tx.py:260:        'warn': LogLevel.warn,
/usr/lib/python3.6/site-packages/txaio/interfaces.py:37:    'warn',
/usr/lib/python3.6/site-packages/txaio/interfaces.py:138:# .warn not warning!
/usr/lib/python3.6/site-packages/txaio/interfaces.py:146:    def warn(self, message, **kwargs):