{"action":"created","comment":{"url":"https://api.github.com/repos/akka/akka/pulls/comments/53192736","id":53192736,"diff_hunk":"@@ -607,19 +607,19 @@ abstract class GraphStageLogic private[stream] (val inCount: Int, val outCount:\n    * Caution: for n==1 andThen is called after resetting the handler, for\n    * other values it is called without resetting the handler.\n    */\n-  private class Reading[T](in: Inlet[T], private var n: Int, val previous: InHandler)(andThen: T ⇒ Unit, onClose: () ⇒ Unit) extends InHandler {\n-    override def onPush(): Unit = {\n+  private class Reading[T](in: Inlet[T], private var n: Int, val previous: InHandler)(andThen: T ⇒ Unit, onComplete: () ⇒ Unit) extends InHandler {\n+    override def onPush(): Unit = if (n > 0) {\n       val elem = grab(in)\n-      if (n == 1) setHandler(in, previous)\n-      else {\n-        n -= 1\n-        pull(in)\n-      }\n+      n -= 1\n+\n+      if (n > 0) pull(in)\n+      else setHandler(in, previous)\n+\n       andThen(elem)\n     }","path":"akka-stream/src/main/scala/akka/stream/stage/GraphStage.scala","position":86,"original_position":86,"commit_id":"dc6b2c2100d1df454c8a2ae061d0cca2bfa02504","original_commit_id":"79e9acfc817ed1d7417125ad3a7dbf7ee0c2ff04","user":{"login":"viktorklang","id":10871,"avatar_url":"https://avatars.githubusercontent.com/u/10871?v=3","gravatar_id":"","url":"https://api.github.com/users/viktorklang","html_url":"https://github.com/viktorklang","followers_url":"https://api.github.com/users/viktorklang/followers","following_url":"https://api.github.com/users/viktorklang/following{/other_user}","gists_url":"https://api.github.com/users/viktorklang/gists{/gist_id}","starred_url":"https://api.github.com/users/viktorklang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/viktorklang/subscriptions","organizations_url":"https://api.github.com/users/viktorklang/orgs","repos_url":"https://api.github.com/users/viktorklang/repos","events_url":"https://api.github.com/users/viktorklang/events{/privacy}","received_events_url":"https://api.github.com/users/viktorklang/received_events","type":"User","site_admin":false},"body":"Can't 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