[GitHub] wchengjie opened a new pull request #6554: [FLINK-10144]delete unused import akka.actor.ActorRef in TaskManagerMessages.scala

[GitBox <gi...@apache.org>]

wchengjie opened a new pull request #6554: [FLINK-10144]delete unused import akka.actor.ActorRef in TaskManagerMessages.scala
URL: https://github.com/apache/flink/pull/6554
 
 
   ## What is the purpose of the change
   
   *This pull request aim to delete an useless import `import akka.actor.ActorRef` in org.apache.flink.runtime.messages.TaskManagerMessages.scala*
   
   
   ## Brief change log
   
   *delete unused `import akka.actor.ActorRef` in `org.apache.flink.runtime.messages.TaskManagerMessages.scala`*
   
   
   ## Verifying this change
   
   This change is already covered by existing tests, such as *org.apache.flink.test.recovery.TaskManagerFailureRecoveryITCase.testRestartWithFailingTaskManager()*.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
     - The serializers: (no)
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (no)

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