Drop the custom data class decorator for now, since it is not performance relevant

novelwriter/formats/shared.py

@@ -29,8 +29,6 @@ from enum import Flag, IntEnum
 
 from PyQt6.QtGui import QColor
 
-from novelwriter.types import nwDataClass
-
 ESCAPES = {r"\*": "*", r"\~": "~", r"\_": "_", r"\[": "[", r"\]": "]", r"\ ": ""}
 RX_ESC = re.compile("|".join([re.escape(k) for k in ESCAPES.keys()]), flags=re.DOTALL)
 
@@ -42,7 +40,6 @@ def stripEscape(text: str) -> str:
     return text
 
 
-@nwDataClass
 class TextDocumentTheme:
     """Default document theme."""