Fix json type return

[rskjetlein]

Sometimes json return is of a non-valid types such as 'byte' and this breaks the image assembly.

Setting type to utf solves this issue.

[NotGlop]

Thanks for reporting the issue, though a PR may be overkill. I'll fix this in a future commit if it's only for the decode function.
Have you got any public image with which I can reproduce the issue?

[rskjetlein]

I could not reproduce the issue this time, will let you know if it happens again. Seen this kind of problems before when pulling a json blob with python 3.x

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On Sat, 15 Aug 2020 at 00:13, NotGlop ***@***.***> wrote: Thanks for reporting the issue, though a PR may be overkill. I'll fix this in a future commit if it's only for the decode function. Have you got any public image with which I can reproduce the issue? — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#20 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AEK6BTNSK2FVOA5W5NAW2KTSAWZIHANCNFSM4P6OT7NQ> .

-- RS