[issue1595365] User-agent header added by an opener is "frozen"

[Daniel Diniz]

Changes by Daniel Diniz <ajaksu at gmail.com>:


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components: +Library (Lib) -None
nosy: +orsenthil
stage:  -> test needed
type:  -> behavior
versions: +Python 2.6 -Python 2.4

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue1595365>
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