From: Niki Roo <niki@nikiroo.be>
Date: Fri, 15 May 2020 11:00:21 +0000 (+0200)
Subject: do not allow empty cover images
X-Git-Url: http://git.nikiroo.be/?a=commitdiff_plain;h=0a264fbe3d5a43516006052574a5f322d9d38897;hp=0a264fbe3d5a43516006052574a5f322d9d38897;p=nikiroo-utils.git

do not allow empty cover images
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