[issue19990] Add unittests for imghdr module

[Claudiu.Popa]

New submission from Claudiu.Popa:

Hello! The following patch adds unit tests for the previously untested `imghdr` module.

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components: Tests
files: test_imghdr.patch
keywords: patch
messages: 206262
nosy: Claudiu.Popa
priority: normal
severity: normal
status: open
title: Add unittests for imghdr module
type: enhancement
versions: Python 3.4
Added file: http://bugs.python.org/file33155/test_imghdr.patch

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