'pyds.NvDsAnalyticsObjInfo' has no attribute 'cast'

Accelerated Computing Intelligent Video Analytics DeepStream SDK
1

Hello,
I am trying to run sample deepstream python app nvdsanalytics.py on jetson nano 2GB by entering below command.
python3 deepstream_nvdsanalytics.py File:///opt/nvidia/deepstream/deepstream-5.1/samples/streams/sample_720p.h264

I am getting below error
raceback (most recent call last):
File “deepstream_nvdsanalytics.py”, line 134, in nvanalytics_src_pad_buffer_probe
user_meta_data = pyds.NvDsAnalyticsFrameMeta.cast(user_meta.user_meta_data)
AttributeError: type object ‘pyds.NvDsAnalyticsFrameMeta’ has no attribute ‘cast’
##################################################
Traceback (most recent call last):
File “deepstream_nvdsanalytics.py”, line 134, in nvanalytics_src_pad_buffer_probe
user_meta_data = pyds.NvDsAnalyticsFrameMeta.cast(user_meta.user_meta_data)
AttributeError: type object ‘pyds.NvDsAnalyticsFrameMeta’ has no attribute ‘cast’
##################################################
Traceback (most recent call last):
File “deepstream_nvdsanalytics.py”, line 134, in nvanalytics_src_pad_buffer_probe
user_meta_data = pyds.NvDsAnalyticsFrameMeta.cast(user_meta.user_meta_data)
AttributeError: type object ‘pyds.NvDsAnalyticsFrameMeta’ has no attribute ‘cast’
##################################################
Traceback (most recent call last):
File “deepstream_nvdsanalytics.py”, line 134, in nvanalytics_src_pad_buffer_probe
user_meta_data = pyds.NvDsAnalyticsFrameMeta.cast(user_meta.user_meta_data)
AttributeError: type object ‘pyds.NvDsAnalyticsFrameMeta’ has no attribute ‘cast’
##################################################
Traceback (most recent call last):
File “deepstream_nvdsanalytics.py”, line 134, in nvanalytics_src_pad_buffer_probe
user_meta_data = pyds.NvDsAnalyticsFrameMeta.cast(user_meta.user_meta_data)
AttributeError: type object ‘pyds.NvDsAnalyticsFrameMeta’ has no attribute ‘cast’

kindly help to resolve issue

3

Did you follow deepstream_python_apps/HOWTO.md at master · NVIDIA-AI-IOT/deepstream_python_apps · GitHub
to setup the enviroments?

4

t helped.Thanks.
I didnt notice python3 setup.py install