/usr/lib/python3/dist-packages/IPython/testing/ is in python3-ipython 5.5.0-1.
This file is owned by root:root, with mode 0o755.
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/usr/lib/python3/dist-packages/IPython/testing/__init__.py
/usr/lib/python3/dist-packages/IPython/testing/__main__.py
/usr/lib/python3/dist-packages/IPython/testing/decorators.py
/usr/lib/python3/dist-packages/IPython/testing/globalipapp.py
/usr/lib/python3/dist-packages/IPython/testing/iptest.py
/usr/lib/python3/dist-packages/IPython/testing/iptestcontroller.py
/usr/lib/python3/dist-packages/IPython/testing/ipunittest.py
/usr/lib/python3/dist-packages/IPython/testing/plugin/
/usr/lib/python3/dist-packages/IPython/testing/plugin/README.txt
/usr/lib/python3/dist-packages/IPython/testing/plugin/__init__.py
/usr/lib/python3/dist-packages/IPython/testing/plugin/dtexample.py
/usr/lib/python3/dist-packages/IPython/testing/plugin/ipdoctest.py
/usr/lib/python3/dist-packages/IPython/testing/plugin/iptest.py
/usr/lib/python3/dist-packages/IPython/testing/plugin/setup.py
/usr/lib/python3/dist-packages/IPython/testing/plugin/show_refs.py
/usr/lib/python3/dist-packages/IPython/testing/plugin/simple.py
/usr/lib/python3/dist-packages/IPython/testing/plugin/simplevars.py
/usr/lib/python3/dist-packages/IPython/testing/plugin/test_combo.txt
/usr/lib/python3/dist-packages/IPython/testing/plugin/test_example.txt
/usr/lib/python3/dist-packages/IPython/testing/plugin/test_exampleip.txt
/usr/lib/python3/dist-packages/IPython/testing/plugin/test_ipdoctest.py
/usr/lib/python3/dist-packages/IPython/testing/plugin/test_refs.py
/usr/lib/python3/dist-packages/IPython/testing/skipdoctest.py
/usr/lib/python3/dist-packages/IPython/testing/tools.py