[GitHub] flink issue #4447: [FLINK-7312][checkstyle] activate checkstyle for flink/co...

[NicoK]

Github user NicoK commented on the issue:

    https://github.com/apache/flink/pull/4447
  
    PR updated by rebasing onto master and dropping the FLINK-7310 commits from 
#4445.


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