/lib/udev/rules.d/60-python-keepkey.rules is in python-keepkey 0.7.3-1.
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 6 | # KeepKey: Your Private Bitcoin Vault
# http://www.keepkey.com/
# Put this file into /usr/lib/udev/rules.d or /etc/udev/rules.d
SUBSYSTEM=="usb", ATTR{idVendor}=="2b24", ATTR{idProduct}=="0001", MODE="0666", GROUP="dialout", SYMLINK+="keepkey%n"
KERNEL=="hidraw*", ATTRS{idVendor}=="2b24", ATTRS{idProduct}=="0001", MODE="0666", GROUP="dialout"
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