Fixed indentation

Author: sujata-m

src/example.py

@@ -3,10 +3,13 @@
 import time
 import uuid
 import random
+import datetime
+from io import BytesIO, StringIO
 import threading
 
 from python_ms_core import Core
 from python_ms_core.core.queue.models.queue_message import QueueMessage
+from python_ms_core.core.auth.models.permission_request import PermissionRequest
 
 core = Core()
 print(f'Core version: {Core.__version__}')