[INFO] The sample starts to run 

[INFO]  init resource stage: 

[INFO]  Init resource success 

[INFO]  Init model resource start... 

Traceback (most recent call last): 

  File "/usr/local/miniconda3/envs/dbc/samples/inference/modelInference/sampleCrowdCounting/src/sampleCrowdCounting.py", line 110, in <module> 

    net.init_resource() 

  File "/usr/local/miniconda3/envs/dbc/samples/inference/modelInference/sampleCrowdCounting/src/sampleCrowdCounting.py", line 29, in init_resource 

    self.model = AclLiteModel(self.model_path) 

  File "/usr/local/Ascend/ascend-toolkit/latest/thirdpart/python/acllite_model.py", line 44, in __init__ 

    self._init_resource() 

  File "/usr/local/Ascend/ascend-toolkit/latest/thirdpart/python/acllite_model.py", line 58, in _init_resource 

    utils.check_ret("acl.mdl.load_from_file", ret) 

  File "/usr/local/Ascend/ascend-toolkit/latest/thirdpart/python/acllite_utils.py", line 17, in check_ret 

    raise Exception("{} failed ret_int={}" 

Exception: acl.mdl.load_from_file failed ret_int=500002 

Exception ignored in: <function AclLiteModel.__del__ at 0xe7ffaf3aa430> 

Traceback (most recent call last): 

  File "/usr/local/Ascend/ascend-toolkit/latest/thirdpart/python/acllite_model.py", line 445, in __del__ 

    self.destroy() 

  File "/usr/local/Ascend/ascend-toolkit/latest/thirdpart/python/acllite_model.py", line 426, in destroy 

    if self._is_destroyed: 

AttributeError: 'AclLiteModel' object has no attribute '_is_destroyed' 

[INFO]  dvpp resource release success 

[INFO]  acl resource release all resource 

[INFO]  acl resource release stream 

[INFO]  acl resource release context 

[INFO]  Reset acl device 0 

[INFO]  Release acl resource success 

[INFO] The program runs failed 

使用的是香橙派的开发板orange ai，转换命令使用的是310，然后报错，是不是需要转换为310b型号才行