/usr/lib/python3/dist-packages/csb/test/data/standard.tsv is in python3-csb 1.2.3+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | 11 11.1 Row eleven
12 12.2 Row twelve
13 13.3 Row thirteen
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