py/nick: handle errors in json

catches syntax errors in nick.json, does not overwrite the file in that case.

added 10 commits

• 8397d2b3...19bf89ee - 9 commits from branch main
• ecb841df - py/nick: handle errors in json

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approved this merge request

added 2 commits

• 39a01e57 - 1 commit from branch main
• efaf83c2 - py/nick: handle errors in json

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added 15 commits

• efaf83c2...96686b95 - 14 commits from branch main
• c1d46611 - py/nick: handle errors in json

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merged