Github user myui commented on the issue:
https://github.com/apache/incubator-hivemall/pull/137
CI failing due to `Failed to execute goal
org.scalastyle:scalastyle-maven-plugin:0.8.0:check (default) on project
hivemall-spark2.3: Failed during scalastyle execution: You have 8 Scalastyle
violation(s). -> [Help 1]`---
