PySpark shell sets log level to INFO by default

./bin/pyspark

Python 3.9.5 (default, May 18 2021, 12:31:01)
[Clang 10.0.0 ] :: Anaconda, Inc. on darwin
Type "help", "copyright", "credits" or "license" for more information.
22/01/13 10:28:15 INFO HiveConf: Found configuration file null
22/01/13 10:28:15 INFO SparkContext: Running Spark version 3.3.0-SNAPSHOT
...
>>> spark.range(10)
22/01/13 10:31:48 INFO SharedState: Setting hive.metastore.warehouse.dir ('null') to the value of spark.sql.warehouse.dir.
...