Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/22633#discussion_r222888557
--- Diff:
sql/core/src/test/java/test/org/apache/spark/sql/streaming/JavaDataStreamReaderWriterSuite.java
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@@ -0,0 +1,89 @@
+/*
+* Licensed to the Apache Software Foundation (ASF) under one or more
--- End diff --
@zsxwing . Could you fix the indentation of Apache License?
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