/usr/lib/python3.7/test/test_doctest4.txt is in libpython3.7-testsuite 3.7.0~b3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | This is a sample doctest in a text file that contains non-ASCII characters.
This file is encoded using UTF-8.
In order to get this test to pass, we have to manually specify the
encoding.
>>> 'föö'
'f\xf6\xf6'
>>> 'bąr'
'b\u0105r'
|