Fix issue resulting from pickling the solver several times

astoeriko · twiecki · commit a1e1038a13ff · 2024-04-26T21:39:26.000+08:00
diff --git a/sunode/solver.py b/sunode/solver.py
@@ -311,6 +311,7 @@ def __init__(
             "_linear_solver_kwargs",
             "_sens_mode",
             "_solver_kind",
+            "_state_names",
         ]
 
         self._init_sundials()
