diff --git a/src/pystencils_autodiff/autodiff.py b/src/pystencils_autodiff/autodiff.py index 6aea11c47cc90b01b444d5257d6583ccaebddd11..a864db501d8e484e3115771307dbd6be022ba4e5 100644 --- a/src/pystencils_autodiff/autodiff.py +++ b/src/pystencils_autodiff/autodiff.py @@ -99,7 +99,7 @@ Backward: raise NotImplementedError() def __hash__(self): - return hash(str(self.forward_assignments), str(self.backward_assignments)) + return hash((str(self.forward_assignments), str(self.backward_assignments))) def __repr__(self): return self._REPR_TEMPLATE.render(forward_assignments=str(self.forward_assignments),