WIP

myvenv/lib/python3.10/site-packages/werkzeug/wrappers/json.py

@@ -0,0 +1,13 @@
+import typing as t
+import warnings
+
+
+class JSONMixin:
+    def __init__(self, *args: t.Any, **kwargs: t.Any) -> None:
+        warnings.warn(
+            "'JSONMixin' is deprecated and will be removed in Werkzeug"
+            " 2.1. 'Request' now includes the functionality directly.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        super().__init__(*args, **kwargs)