diff --git a/java/test/src/main/java/io/ray/test/ActorRestartTest.java b/java/test/src/main/java/io/ray/test/ActorRestartTest.java
index 099122394..3a299b046 100644
--- a/java/test/src/main/java/io/ray/test/ActorRestartTest.java
+++ b/java/test/src/main/java/io/ray/test/ActorRestartTest.java
@@ -3,9 +3,9 @@ package io.ray.test;
 import io.ray.api.ActorHandle;
 import io.ray.api.Checkpointable;
 import io.ray.api.Ray;
-import io.ray.runtime.exception.RayActorException;
 import io.ray.api.id.ActorId;
 import io.ray.api.id.UniqueId;
+import io.ray.runtime.exception.RayActorException;
 import io.ray.runtime.util.SystemUtil;
 import java.io.IOException;
 import java.util.List;
diff --git a/java/test/src/main/java/io/ray/test/ActorTest.java b/java/test/src/main/java/io/ray/test/ActorTest.java
index dd2bda08a..045dd0191 100644
--- a/java/test/src/main/java/io/ray/test/ActorTest.java
+++ b/java/test/src/main/java/io/ray/test/ActorTest.java
@@ -5,9 +5,9 @@ import io.ray.api.ActorHandle;
 import io.ray.api.ObjectRef;
 import io.ray.api.PyActorHandle;
 import io.ray.api.Ray;
-import io.ray.runtime.exception.UnreconstructableException;
 import io.ray.api.id.ActorId;
 import io.ray.api.id.UniqueId;
+import io.ray.runtime.exception.UnreconstructableException;
 import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
diff --git a/java/test/src/main/java/io/ray/test/CrossLanguageInvocationTest.java b/java/test/src/main/java/io/ray/test/CrossLanguageInvocationTest.java
index 876b00681..88e7f2d6c 100644
--- a/java/test/src/main/java/io/ray/test/CrossLanguageInvocationTest.java
+++ b/java/test/src/main/java/io/ray/test/CrossLanguageInvocationTest.java
@@ -10,7 +10,6 @@ import io.ray.api.function.PyActorClass;
 import io.ray.api.function.PyActorMethod;
 import io.ray.api.function.PyFunction;
 import io.ray.runtime.actor.NativeActorHandle;
-import io.ray.runtime.actor.NativePyActorHandle;
 import io.ray.runtime.exception.CrossLanguageException;
 import io.ray.runtime.exception.RayException;
 import io.ray.runtime.generated.Common.Language;
@@ -192,8 +191,8 @@ public class CrossLanguageInvocationTest extends BaseMultiLanguageTest {
     } catch (RayException e) {
       String formattedException = org.apache.commons.lang3.exception.ExceptionUtils
           .getStackTrace(e);
-      io.ray.runtime.generated.Common.RayException exception = io.ray.runtime.generated.Common.RayException
-          .parseFrom(e.toBytes());
+      io.ray.runtime.generated.Common.RayException exception =
+          io.ray.runtime.generated.Common.RayException.parseFrom(e.toBytes());
       Assert.assertEquals(exception.getFormattedExceptionString(), formattedException);
     }
   }
diff --git a/java/test/src/main/java/io/ray/test/FailureTest.java b/java/test/src/main/java/io/ray/test/FailureTest.java
index 0d25b16f0..15de867d7 100644
--- a/java/test/src/main/java/io/ray/test/FailureTest.java
+++ b/java/test/src/main/java/io/ray/test/FailureTest.java
@@ -3,10 +3,10 @@ package io.ray.test;
 import io.ray.api.ActorHandle;
 import io.ray.api.ObjectRef;
 import io.ray.api.Ray;
-import io.ray.runtime.exception.RayActorException;
-import io.ray.runtime.exception.RayWorkerException;
 import io.ray.api.function.RayFunc0;
+import io.ray.runtime.exception.RayActorException;
 import io.ray.runtime.exception.RayTaskException;
+import io.ray.runtime.exception.RayWorkerException;
 import java.time.Duration;
 import java.time.Instant;
 import java.util.Arrays;
diff --git a/python/ray/scripts/scripts.py b/python/ray/scripts/scripts.py
index be87e70b6..c8ff0c633 100644
--- a/python/ray/scripts/scripts.py
+++ b/python/ray/scripts/scripts.py
@@ -506,8 +506,7 @@ def start(node_ip_address, redis_address, address, redis_port, port,
         dashboard_port=dashboard_port,
         java_worker_options=java_worker_options,
         load_code_from_local=load_code_from_local,
-        _system_config=json.loads(system_config)
-        if system_config else system_config,
+        _system_config=system_config,
         lru_evict=lru_evict,
         enable_object_reconstruction=enable_object_reconstruction,
         metrics_export_port=metrics_export_port)