Not working..module deprecation issues

[canbu]

Please see these errors due to few deprecation issues. Has these been fixed? Thanks!

multiple-camera_multiple-people_tracking/utils/ie_tools.py:60: DeprecationWarning: Reading network using constructor is deprecated. Please, use IECore.read_network() method instead
net = IENetwork(model=model_xml, weights=model_bin)
multiple-camera_multiple-people_tracking/utils/ie_tools.py:64: DeprecationWarning: 'layers' property of IENetwork class is deprecated. For iteration over network please use get_ops()/get_ordered_ops() methods from nGraph Python API
not_supported_layers = [l for l in net.layers.keys() if l not in supported_layers]
ERROR: 2021-10-03 22:05:25: Following layers are not supported by the plugin for specified device CPU:
Constant_58375
ERROR: 2021-10-03 22:05:25: Please try to specify cpu extensions library path in sample's command line parameters using -l or --cpu_extension command line argument