TensorRT installation and testing convert-to-uff

I have already installed TensorRT according to the tutorial.
I used Debian Installation.
After installation, I checked installation files as dpkg -l | grep TensorRT. Then the outputs at console are

itc@itc-Precision-7920-Tower:/usr/src/tensorrt/samples/sampleUffFasterRCNN$ dpkg -l | grep TensorRT
ii  graphsurgeon-tf                                              7.0.0-1+cuda10.0                                 amd64        GraphSurgeon for TensorRT package
ii  libnvinfer-bin                                               7.0.0-1+cuda10.0                                 amd64        TensorRT binaries
ii  libnvinfer-dev                                               7.0.0-1+cuda10.0                                 amd64        TensorRT development libraries and headers
ii  libnvinfer-doc                                               7.0.0-1+cuda10.0                                 all          TensorRT documentation
ii  libnvinfer-plugin-dev                                        7.0.0-1+cuda10.0                                 amd64        TensorRT plugin libraries
ii  libnvinfer-plugin7                                           7.0.0-1+cuda10.0                                 amd64        TensorRT plugin libraries
ii  libnvinfer-samples                                           7.0.0-1+cuda10.0                                 all          TensorRT samples
ii  libnvinfer5                                                  5.1.5-1+cuda10.0                                 amd64        TensorRT runtime libraries
ii  libnvinfer7                                                  7.0.0-1+cuda10.0                                 amd64        TensorRT runtime libraries
ii  libnvonnxparsers-dev                                         7.0.0-1+cuda10.0                                 amd64        TensorRT ONNX libraries
ii  libnvonnxparsers7                                            7.0.0-1+cuda10.0                                 amd64        TensorRT ONNX libraries
ii  libnvparsers-dev                                             7.0.0-1+cuda10.0                                 amd64        TensorRT parsers libraries
ii  libnvparsers7                                                7.0.0-1+cuda10.0                                 amd64        TensorRT parsers libraries
ii  python3-libnvinfer                                           7.0.0-1+cuda10.0                                 amd64        Python 3 bindings for TensorRT
ii  python3-libnvinfer-dev                                       7.0.0-1+cuda10.0                                 amd64        Python 3 development package for TensorRT
ii  tensorrt                                                     7.0.0.11-1+cuda10.0                              amd64        Meta package of TensorRT
ii  uff-converter-tf                                             7.0.0-1+cuda10.0                                 amd64        UFF converter for TensorRT package

uff-converter-tf was installed.

But when I run command
convert-to-uff -p config.py -O dense_class/Softmax -O dense_regress/BiasAdd -O proposal uff_faster_rcnn/faster_rcnn.pb
I have error as
convert-to-uff: command not found

What could be wrong?

Please refer to below link in case it helps:

If you use tensorRT container, run /opt/tensorrt/python/python_setup.sh

Thanks