def extract_annotations_and_default_vals(attrs: Dict) -> Tuple[Dict, Dict]:
    """
    Extracts annotations from class namespace dict and triggers
    extraction of ormar model_fields.

    :param attrs: namespace of the class created
    :type attrs: Dict
    :return: namespace of the class updated, dict of extracted model_fields
    :rtype: Tuple[Dict, Dict]
    """
    key = "__annotations__"
    attrs[key] = attrs.get(key, {})
    attrs, model_fields = populate_pydantic_default_values(attrs)
    return attrs, model_fields

    Extracts annotations from class namespace dict and triggers
    extraction of ormar model_fields.

    :param attrs: namespace of the class created
    :type attrs: Dict
    :return: namespace of the class updated, dict of extracted model_fields
    :rtype: Tuple[Dict, Dict]
    
ormar/models/helpers/models.py