spark git commit: [SPARK-23122][PYSPARK][FOLLOW-UP] Update the docs for UDF Registration

Repository: spark Updated Branches: refs/heads/branch-2.3 cf078a205 -> 743b9173f [SPARK-23122][PYSPARK][FOLLOW-UP] Update the docs for UDF Registration ## What changes were proposed in this pull request? This PR is to update the docs for UDF registration ## How was this patch tested? N/A

spark git commit: [SPARK-23122][PYSPARK][FOLLOW-UP] Update the docs for UDF Registration

Repository: spark Updated Branches: refs/heads/master 60175e959 -> 73281161f [SPARK-23122][PYSPARK][FOLLOW-UP] Update the docs for UDF Registration ## What changes were proposed in this pull request? This PR is to update the docs for UDF registration ## How was this patch tested? N/A