Forgot product

dataclasses_json/core.py

@@ -393,7 +393,7 @@ def handle_pep0673(pre_0673_hint: str) -> Union[Type, str]:
  if len(type_args) == len(xs):
  return list(_decode_item(type_arg, xs[type_ix]) for type_ix, type_arg in enumerate(type_args))
  if len(type_args) == 1:
- return list(_decode_item(type_arg, x) for type_arg, x in zip(type_args, xs))
+ return list(_decode_item(type_arg, x) for type_arg, x in product(type_args, xs))
  else:
  raise TypeError(f"Number of types specified in collection type {str(type_args)} is greater than one and does not match number of elements in the collection. Please review the type hint for this field.")
  return list(_decode_item(type_args, x) for x in xs)