def get_db():
return client.InfluxDBClient(<EOL>settings.INFLUXDB_HOST,<EOL>settings.INFLUXDB_PORT,<EOL>settings.INFLUXDB_USER,<EOL>settings.INFLUXDB_PASSWORD,<EOL>settings.INFLUXDB_DATABASE,<EOL>)<EOL>
Returns an ``InfluxDBClient`` instance.