Vincent Eberle · 4bb1632f
--- a/jifty/src/optimize.py

+ 2

− 1
+++ b/jifty/src/optimize.py

+ 2

− 1
 @@ -152,7 +152,8 @@ def _newton_cg(
            "name": cg_name,
            "time_threshold": time_threshold
        }
-        cg_res = cg(Partial(hessp, pos), g, **(default_kwargs | cg_kwargs))
+        new_kwargs= {**default_kwargs, **cg_kwargs}
+        cg_res = cg(Partial(hessp, pos), g, **new_kwargs)
        nat_g, info = cg_res.x, cg_res.info
        nhev += cg_res.nfev
        if info is not None and info < 0: