/usr/lib/python2.7/dist-packages/IPython/kernel/__main__.py is in python-ipython 5.1.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | if __name__ == '__main__':
from ipykernel import kernelapp as app
app.launch_new_instance()
|