chore: NoneType alias for < PY310

frappe/database/database.py

@@ -9,7 +9,6 @@ import string
 import traceback
 from contextlib import contextmanager
 from time import time
-from types import NoneType
 from typing import Dict, List, Optional, Tuple, Union
 
 from pypika.terms import Criterion, NullValue, PseudoColumn

frappe/database/utils.py

@@ -2,7 +2,11 @@
 # License: MIT. See LICENSE
 
 from functools import cached_property
-from types import NoneType
+
+try:
+	from types import NoneType
+except ImportError:
+	NoneType = type(None)
 from typing import Dict, List, Tuple, Union
 
 import frappe

frappe/model/rename_doc.py

@@ -1,5 +1,9 @@
 # Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and Contributors
 # License: MIT. See LICENSE
+try:
+	from types import NoneType
+except ImportError:
+	NoneType = type(None)
 from typing import TYPE_CHECKING, Dict, List, Optional
 
 import frappe
@@ -46,7 +50,7 @@ def update_document_title(
 
 	# TODO: omit this after runtime type checking (ref: https://github.com/frappe/frappe/pull/14927)
 	for obj in [docname, updated_title, updated_name]:
-		if not isinstance(obj, (str, type(None))):
+		if not isinstance(obj, (str, NoneType)):
 			frappe.throw(f"{obj=} must be of type str or None")
 
 	# handle bad API usages