[issue1778443] robotparser.py fixes

[Aristotelis Mikropoulos]

Aristotelis Mikropoulos added the comment:

Also, I would like to tell you that my new account name is "Indy", and
not "indy90" anymore (I changed since this issue tracker moved from
SourceForge to here). So, thanks again and I hope this patch will be
helpful.

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Tracker <report at bugs.python.org>
<http://bugs.python.org/issue1778443>
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