Add attribute sys.stdout.fileno when it is missed on Databricks (#5903)
Add attribute sys.stdout.fileno when it is missed on Databricks (#5903)

* add fileno for databricks

* add comment

* add comment

* add comment

Co-authored-by: Zhou <798db49bd7cb114e3ed906621f82c6b6f2dbb334@intel.com>
intel-analytics/BigDL,yangw1234/BigDL,intel-analytics/BigDL,intel-analytics/BigDL,yangw1234/BigDL,yangw1234/BigDL,yangw1234/BigDL,intel-analytics/BigDL