The sense-hat packag contains remarkably little. It has the following files:
/etc/RTIMULib.ini
/usr/src/sense-hat/examples/python-sense-hat/space_invader.py
/usr/src/sense-hat/examples/python-sense-hat/colour_cycle.py
/usr/src/sense-hat/examples/python-sense-hat/rotation.py
/usr/src/sense-hat/examples/python-sense-hat/pygame_joystick.py
/usr/src/sense-hat/examples/python-sense-hat/space_invader.png
/usr/src/sense-hat/examples/python-sense-hat/text_scroll.py
/usr/src/sense-hat/examples/python-sense-hat/rainbow.py
/usr/src/sense-hat/examples/python-sense-hat/compass.py
/usr/src/sense-hat/examples/RTIMULib/RTIMULibDrive10/Makefile
/usr/src/sense-hat/examples/RTIMULib/RTIMULibDrive10/RTIMULibDrive10.cpp
/usr/src/sense-hat/examples/RTIMULib/python/InjectIMU.py
/usr/src/sense-hat/examples/RTIMULib/python/Fusion11.py
/usr/src/sense-hat/examples/RTIMULib/python/Fusion10.py
/usr/src/sense-hat/examples/RTIMULib/python/Fusion.py
/usr/src/sense-hat/examples/RTIMULib/RTIMULibDrive/RTIMULibDrive.cpp
/usr/src/sense-hat/examples/RTIMULib/RTIMULibDrive/Makefile
/usr/src/sense-hat/examples/RTIMULib/RTIMULibDrive11/Makefile
/usr/src/sense-hat/examples/RTIMULib/RTIMULibDrive11/RTIMULibDrive11.cpp
/usr/src/sense-hat/examples/snake/snake.c
/usr/src/sense-hat/examples/snake/Makefile
/usr/share/doc/sense-hat/changelog.gz
of which only /etc/RTIMLib.ini seems to be of much use, plus it will comment out a blacklist of module i2c-bcm2708 if found and add i2c-dev to /etc/modules.
I recall from a very recent post that i2c-dev must be explicitly loaded, so that might have been a significant omission.