Error calibrating faster_rcnn_vgg16 model

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Error calibrating faster_rcnn_vgg16 model

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Hi,

I am trying to calibrate faster_rcnn vgg16 model from https://dl.dropboxusercontent.com/s/o6ii098bu51d139/faster_rcnn_models.tgz?dl=0

python3 /opt/intel/openvino/deployment_tools/tools/calibration_tool/calibrate.py -m ./VGG16_faster_rcnn_final.xml -sm -s /media/amiya/KINGSTON/VOC2017_sub/. -o ./out/
[ INFO ] Collect inputs...
terminate called after throwing an instance of 'InferenceEngine::details::InferenceEngineException'
what(): Just networks with one input are supported.
Aborted (core dumped)

Also tried with --ignore_layer_names="im_info"

Is this some limitation of openvino? Is there a way around? I am on release 2019.3.376.

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