[jira] [Created] (FLINK-6186) Remove unused import

[CanBin Zheng (JIRA)]

CanBin Zheng created FLINK-6186:
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             Summary: Remove unused import
                 Key: FLINK-6186
                 URL: https://issues.apache.org/jira/browse/FLINK-6186
             Project: Flink
          Issue Type: Wish
            Reporter: CanBin Zheng
            Assignee: CanBin Zheng
            Priority: Trivial






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