... Test with Qiskit Simulator [2022-10-20 14:54:45.934] Before transpile: {'depth': 28, 'size': 77, 'width': 8, 'n_single_gates': 57, 'n_two_gates': 16, 'n_three_more_gates': 0, 'n_gates_dict': {'ry': 22, 'rz': 19, 'rx': 14, 'cx': 15, 'crx': 1, 'h': 1, 'sx': 1, 'measure': 4}} [2022-10-20 14:54:46.601] After transpile: {'depth': 26, 'size': 58, 'width': 8, 'n_single_gates': 37, 'n_two_gates': 17, 'n_three_more_gates': 0, 'n_gates_dict': {'ry': 9, 'rz': 8, 'rx': 6, 'u3': 14, 'cx': 17, 'measure': 4}} Job Status: job is being initializedSimulation failed and returned the following error message: ERROR: Failed to load qobj: [json.exception.type_error.302] type must be array, but is number Job Status: job is being initializedSimulation failed and returned the following error message: ERROR: Failed to load qobj: [json.exception.type_error.302] type must be array, but is number Job Status: job is being initializedSimulation failed and returned the following error message: ERROR: Failed to load qobj: [json.exception.type_error.302] type must be array, but is number Job Status: job is being initializedSimulation failed and returned the following error message: ERROR: Failed to load qobj: [json.exception.type_error.302] type must be array, but is number Simulation failed and returned the following error message: ERROR: Failed to load qobj: [json.exception.type_error.302] type must be array, but is number Job Status: job has successfully run Job Status: job has successfully run Job Status: job has successfully run Job Status: job has successfully run ValueError (note: full exception trace is shown but execution is paused at: _run_module_as_main) need at least one array to stack File "C:\Users\14491\.conda\envs\quantumNAS\Lib\site-packages\numpy\core\shape_base.py", line 422, in stack raise ValueError('need at least one array to stack') File "C:\Users\14491\.conda\envs\quantumNAS\Lib\site-packages\torchquantum\utils.py", line 169, in get_expectations_from_counts res = np.stack(exps) File "C:\Users\14491\.conda\envs\quantumNAS\Lib\site-packages\torchquantum\plugins\qiskit_processor.py", line 314, in process_parameterized measured_qiskit = get_expectations_from_counts( File "C:\Users\14491\Documents\environment\torchquantum-master\artifact\example1\mnist_example.py", line 71, in forward x = self.qiskit_processor.process_parameterized( File "C:\Users\14491\.conda\envs\quantumNAS\Lib\site-packages\torch\nn\modules\module.py", line 1130, in _call_impl return forward_call(*input, **kwargs) File "C:\Users\14491\Documents\environment\torchquantum-master\artifact\example1\mnist_example.py", line 105, in valid_test outputs = model(inputs, use_qiskit=qiskit) File "C:\Users\14491\Documents\environment\torchquantum-master\artifact\example1\mnist_example.py", line 191, in main valid_test(dataflow, 'test', model, device, qiskit=True) File "C:\Users\14491\Documents\environment\torchquantum-master\artifact\example1\mnist_example.py", line 208, in main() File "C:\Users\14491\.conda\envs\quantumNAS\Lib\runpy.py", line 87, in _run_code exec(code, run_globals) File "C:\Users\14491\.conda\envs\quantumNAS\Lib\runpy.py", line 197, in _run_module_as_main (Current frame) return _run_code(code, main_globals, None,