'Intercept usage of ``pip`` in IPython and direct user to run command outside of IPython.'

@line_magic
def pip(self, args=''):

    print textwrap.dedent('\n                                The    following    command    must    be    run    outside    of    the    IPython    shell:\n\n                                                $    pip    {args}\n\n                                The    Python    package    manager    (pip)    can    only    be    used    from    outside    of    IPython.\n                                Please    reissue    the    `pip`    command    in    a    separate    terminal    or    command    prompt.\n\n                                See    the    Python    documentation    for    more    informations    on    how    to    install    packages:\n\n                                                https://docs.python.org/3/installing/'.format(args=args))
