Method from_yaml

dev-tools/scripts/releaseWizard.py:1613–1615

(cls, loader, node)

    @classmethod
    def from_yaml(cls, loader, node):
        fields = loader.construct_mapping(node, deep = True)
        return Commands(**fields)

    def run(self): # pylint: disable=inconsistent-return-statements # TODO
        root = self.get_root_folder()