Originally reported by: iElectric (Bitbucket: iElectric, GitHub: Unknown)

Changing following line in https://bitbucket.org/pypa/setuptools/src/735202ca6848d58bc59022f85cde10af64a61a7e/setuptools/command/bdist_egg.py?at=default#cl-155:

self.call_command('install_data', force=0, root=None)

to

self.call_command('install_data', force=0, root=self.bdist_dir)

Makes data installation respect prefix directory

• Bitbucket: https://bitbucket.org/pypa/setuptools/issue/130