Add a link to the migration guide for the deprecation warning

hmaarrfk · web-flow · commit 1d8a211c7032 · 2024-09-22T16:11:40.000-04:00
diff --git a/numpy/_core/src/multiarray/ctors.c b/numpy/_core/src/multiarray/ctors.c
@@ -2476,7 +2476,9 @@ check_or_clear_and_warn_error_if_due_to_copy_kwarg(PyObject *kwnames)
         Py_XDECREF(traceback);
         if (DEPRECATE("__array__ implementation doesn't accept a copy keyword, "
                       "so passing copy=False failed. __array__ must implement "
-                      "'dtype' and 'copy' keyword arguments.") < 0) {
+                      "'dtype' and 'copy' keyword arguments. "
+                      "To learn more, see the migration guide "
+                      "https://numpy.org/devdocs/numpy_2_0_migration_guide.html#adapting-to-changes-in-the-copy-keyword") < 0) {
             return -1;
         }
         return 0;
