Fix an issue where hologram will return an invalid value for a union of multiple incompatible JsonSchemaMixins.
Before this change, the ft.from_dict(val, validate=False) in the union's default would result in every entry in unioned being a Thing(a=None). It comes up when parsing packages.yml files.
In the future, we may may be forced to bypass the decoder cache in this case (to avoid caching or using a bad decoder), but I couldn't get it to break.
Fix an issue where hologram will return an invalid value for a union of multiple incompatible JsonSchemaMixins.
Before this change, the
ft.from_dict(val, validate=False)in the union's default would result in every entry inunionedbeing aThing(a=None). It comes up when parsingpackages.ymlfiles.In the future, we may may be forced to bypass the decoder cache in this case (to avoid caching or using a bad decoder), but I couldn't get it to break.