ModuleNotFoundError: No module named 'pxr'

Hello, when I run this command as described in the documentation (with a space between “kaolin/” and “tests”):

pytest --cov=kaolin/ tests I get the attached output. Any hints on what I am missing? other than: Hint: make sure your test modules/packages have valid Python names.

Thanks

Pablo

`========================================================================================================== test session starts ========================================================================================================== platform linux – Python 3.6.8, pytest-5.3.0, py-1.8.0, pluggy-0.13.0 rootdir: /home/pabs/PycharmProjects/kaolin plugins: cov-2.8.1 collected 114 items / 2 errors / 112 selected
Coverage.py warning: No data was collected. (no-data-collected) WARNING: Failed to generate report: No data to report.

/home/pabs/PycharmProjects/kaolin/venv/lib/python3.6/site-packages/pytest_cov-2.8.1-py3.6.egg/pytest_cov/plugin.py:254: PytestWarning: Failed to generate report: No data to report.

self.cov_controller.finish()

================================================================================================================ ERRORS ================================================================================================================= ____________________________________________________________________________________________ ERROR collecting tests/datasets/test_usdfile.py ____________________________________________________________________________________________ ImportError while importing test module ‘/home/pabs/PycharmProjects/kaolin/tests/datasets/test_usdfile.py’. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/datasets/test_usdfile.py:19: in <module> from kaolin.datasets.usdfile import USDMeshes /home/pabs/PycharmProjects/kaolin/venv/lib/python3.6/site-packages/kaolin-0.2.0+f858c58-py3.6-linux-x86_64.egg/kaolin/datasets/usdfile.py:19: in <module> ??? E ModuleNotFoundError: No module named ‘pxr’ ___________________________________________________________________________________________ ERROR collecting tests/visualize/test_vis_usd.py ____________________________________________________________________________________________ ImportError while importing test module ‘/home/pabs/PycharmProjects/kaolin/tests/visualize/test_vis_usd.py’. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/visualize/test_vis_usd.py:8: in <module> from kaolin.visualize.vis_usd import VisUsd /home/pabs/PycharmProjects/kaolin/venv/lib/python3.6/site-packages/kaolin-0.2.0+f858c58-py3.6-linux-x86_64.egg/kaolin/visualize/vis_usd.py:24: in <module> ??? E ModuleNotFoundError: No module named ‘pxr’ =========================================================================================================== warnings summary ============================================================================================================ venv/lib/python3.6/site-packages/kaolin-0.2.0+f858c58-py3.6-linux-x86_64.egg/kaolin/nnsearch.py:3 /home/pabs/PycharmProjects/kaolin/venv/lib/python3.6/site-packages/kaolin-0.2.0+f858c58-py3.6-linux-x86_64.egg/kaolin/nnsearch.py:3: DeprecationWarning: the imp module is deprecated in favour of importlib; see the module’s documentation for alternative uses

venv/lib/python3.6/site-packages/kaolin-0.2.0+f858c58-py3.6-linux-x86_64.egg/kaolin/datasets/shapenet.py:861 venv/lib/python3.6/site-packages/kaolin-0.2.0+f858c58-py3.6-linux-x86_64.egg/kaolin/datasets/shapenet.py:861 /home/pabs/PycharmProjects/kaolin/venv/lib/python3.6/site-packages/kaolin-0.2.0+f858c58-py3.6-linux-x86_64.egg/kaolin/datasets/shapenet.py:861: DeprecationWarning: invalid escape sequence *

– Docs: https://docs.pytest.org/en/latest/warnings.html

----------- coverage: platform linux, python 3.6.8-final-0 -----------

!!! Interrupted: 2 errors during collection !!! ===================================================================================================== 3 warnings, 2 errors in 4.99s`