[core] Prevent from having undefined attribute and connect onChanged after first init #2489
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Just-Kiel
requested review from
cbentejac,
fabiencastan and
servantftransperfect
Contributor
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Covered by #2586. |
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Description
To remove all errors raised in Image Gallery, we need to first set the value of the attribute before connecting it to onChanged. Plus, we remove the self._value = None to be sure that the UI never fails to display something.