sparklyr uses base64_enc which was introruced in jsonlite 1.0
sparklyr uses base64_enc which was introruced in jsonlite 1.0

kevinykuo/sparklyr,kevinykuo/sparklyr,kevinykuo/sparklyr,rstudio/sparklyr,rstudio/sparklyr,kevinykuo/sparklyr,rstudio/sparklyr,rstudio/sparklyr