[docs] [issue27174] Update URL to IPython in interactive.rst

[Roundup Robot]

Roundup Robot added the comment:

New changeset 92fd6935e882 by Berker Peksag in branch '3.5':
Issue #27174: Update IPython URL in tutorial
https://hg.python.org/cpython/rev/92fd6935e882

New changeset 87d76611470c by Berker Peksag in branch 'default':
Issue #27174: Merge from 3.5
https://hg.python.org/cpython/rev/87d76611470c

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nosy: +python-dev

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27174>
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