Bug#590945: update antlr python

[Sergio Fernández]

Package: python-antlr
Severity: wishlist

Currently Debian's repositories have the old 2.7.7-10 version, while
upstream version is 3.1.2. Since there many new features, it'd be
necessary to take care on updating this package.

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 \ \/\/ /| | / / / -_) '_|  Sergio Fernández
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