Update batch_test.py

batch_test.py

@@ -10,11 +10,7 @@ with DAG(
     'batch_test',
     default_args={
         'depends_on_past': False,
-        'email': ['kim-jy@lotte.net'],
-        'email_on_failure': False,
-        'email_on_retry': False,
-        'retries': 1,
-        'retry_delay': timedelta(minutes=5),
+        'email': 'kim-jy@lotte.net',
     },
     description='Test Batch Job',
     schedule_interval='*/1 * * * *',