/usr/lib/python3/dist-packages/qrcode/constants.py is in python3-qrcode 5.3-1.
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 | # QR error correct levels
ERROR_CORRECT_L = 1
ERROR_CORRECT_M = 0
ERROR_CORRECT_Q = 3
ERROR_CORRECT_H = 2
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