[issue21215] build-deps instructions for Ubuntu

[Glenn Jones]

New submission from Glenn Jones:

The package listed in the dev guide may not exist depending on the version of Ubuntu. It may be necessary to use python3.3 or python3.4.

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components: Devguide
messages: 216080
nosy: Glenn.Jones, ezio.melotti
priority: normal
severity: normal
status: open
title: build-deps instructions for Ubuntu

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21215>
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