Fix linting errors in the main code

novelwriter/gui/search.py

@@ -26,6 +26,7 @@ from __future__ import annotations
 import logging
 
 from time import time
+from typing import TYPE_CHECKING
 
 from PyQt6.QtCore import Qt, pyqtSignal, pyqtSlot
 from PyQt6.QtGui import QAction, QCursor, QKeyEvent, QPalette
@@ -37,12 +38,14 @@ from PyQt6.QtWidgets import (
 from novelwriter import CONFIG, SHARED
 from novelwriter.common import checkInt, qtAddAction
 from novelwriter.core.coretools import DocSearch
-from novelwriter.core.item import NWItem
 from novelwriter.types import (
     QtAlignMiddle, QtAlignRight, QtHeaderStretch, QtHeaderToContents,
     QtHexArgb, QtUserRole
 )
 
+if TYPE_CHECKING:
+    from novelwriter.core.item import NWItem
+
 logger = logging.getLogger(__name__)