diff --git a/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Note.java b/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Note.java
index 66362bd7b9..aa08adf0f8 100644
--- a/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Note.java
+++ b/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Note.java
@@ -30,12 +30,7 @@ import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.ScheduledThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
-import com.google.common.base.Preconditions;
-import com.google.gson.Gson;
 import org.apache.commons.lang.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import org.apache.zeppelin.conf.ZeppelinConfiguration;
 import org.apache.zeppelin.display.AngularObject;
 import org.apache.zeppelin.display.AngularObjectRegistry;
@@ -57,6 +52,11 @@ import org.apache.zeppelin.scheduler.Job.Status;
 import org.apache.zeppelin.search.SearchService;
 import org.apache.zeppelin.user.AuthenticationInfo;
 import org.apache.zeppelin.user.Credentials;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.Preconditions;
+import com.google.gson.Gson;
 
 /**
  * Binded interpreters for a note