spark git commit: [SPARK-11658] simplify documentation for PySpark combineByKey

Repository: spark Updated Branches: refs/heads/branch-1.6 782885786 -> 0dd6c2987 [SPARK-11658] simplify documentation for PySpark combineByKey Author: Chris Snow Closes #9640 from snowch/patch-3. (cherry picked from commit 68ef61bb656bd9c08239726913ca8ab271d52786)

spark git commit: [SPARK-11658] simplify documentation for PySpark combineByKey

Repository: spark Updated Branches: refs/heads/master 12a0784ac -> 68ef61bb6 [SPARK-11658] simplify documentation for PySpark combineByKey Author: Chris Snow Closes #9640 from snowch/patch-3. Project: http://git-wip-us.apache.org/repos/asf/spark/repo Commit: