def get_schema_from_type(resource_type):
    """Retrieve a schema from the registry by his type

    :param str type_: the type of the resource
    :return Schema: the schema class
    """
    for cls_name, cls in class_registry._registry.items():
        try:
            if cls[0].opts.type_ == resource_type:
                return cls[0]
        except Exception:
            pass

    raise Exception("Couldn't find schema for type: {}".format(resource_type))
Retrieve a schema from the registry by his type

    :param str type_: the type of the resource
    :return Schema: the schema class