[issue27121] imghdr does not support jpg files with Lavc bytes

[SilentGhost]

Changes by SilentGhost <ghost.adh at runbox.com>:


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components: +Library (Lib)
nosy: +r.david.murray
stage:  -> test needed
type:  -> behavior
versions:  -Python 2.7, Python 3.2, Python 3.3, Python 3.4, Python 3.5

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27121>
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