updates

Backend/venv/lib/python3.12/site-packages/marshmallow/constants.py

@@ -0,0 +1,25 @@
+import typing
+
+EXCLUDE: typing.Final = "exclude"
+INCLUDE: typing.Final = "include"
+RAISE: typing.Final = "raise"
+
+
+class _Missing:
+    def __bool__(self):
+        return False
+
+    def __copy__(self):
+        return self
+
+    def __deepcopy__(self, _):
+        return self
+
+    def __repr__(self):
+        return "<marshmallow.missing>"
+
+    def __len__(self):
+        return 0
+
+
+missing: typing.Final = _Missing()