remove unused import

Author: Zsailer

jupyter_server/services/events/handlers.py

@@ -6,7 +6,6 @@
 from datetime import datetime
 from typing import Any, Dict, Optional
 
-from pythonjsonlogger import jsonlogger
 from tornado import web, websocket
 
 from jupyter_server.auth import authorized

tests/services/events/test_api.py

@@ -5,7 +5,6 @@
 
 import pytest
 import tornado
-from pythonjsonlogger import jsonlogger
 
 from tests.utils import expected_http_error