[GitHub] [spark] wangyum commented on issue #22570: [SPARK-25553][BUILD] Add EmptyInterpolatedStringChecker to scalastyle config

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wangyum commented on issue #22570: [SPARK-25553][BUILD] Add 
EmptyInterpolatedStringChecker to scalastyle config
URL: https://github.com/apache/spark/pull/22570#issuecomment-522310023
 
 
   How about set `level="warn"`:
   ```xml
   <check level="warn" 
class="org.scalastyle.scalariform.EmptyInterpolatedStringChecker" 
enabled="true"></check>
   ```
   The scalastyle check can pass and we can see the warning in IDEA:
   
![image](https://user-images.githubusercontent.com/5399861/63223364-ce57a500-c1e6-11e9-8ffa-cee0bc007dac.png)
   

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