Fix aux_ops return
@@ -440,7 +440,7 @@ class VQE(VQAlgorithm, MinimumEigensolver):
result.eigenvalue = vqresult.optimal_value + 0j
result.eigenstate = self.get_optimal_vector()
if 'aux_ops' in self._ret:
- result.aux_operator_eigenvalues = self._ret['aux_ops']
+ result.aux_operator_eigenvalues = self._ret['aux_ops'][0]
result.cost_function_evals = self._eval_count
self.cleanup_parameterized_circuits()
