unescape_html.py

import html

def unescape_html(
        text: str) -> str:
    """Converts any HTML entities found in text to their textual representation.

    :param text: utterance that may contain HTML entities
    :type text: str

    Example of HTML entities found during annotations
        html_entities = [(" ", " ")
            , ("&", "&")
            , (">", ">")
            , ("&lt;", "<")
            , ("&le;", "≤")
            , ("&ge;", "≥")]

    :return: utterance wihtout HTML entities
    :rtype: str
    """
    return html.unescape(text)

s = "Ik wil de te naamstelling van &nbsp; mijn betaalrekening &amp; pas aanpassen Mej. \u2014-&gt;  Mw."
json_dumped_s = json.dumps(unescape_html(s))

print(json_dumped_s)
>>> "Ik wil de te naamstelling van \u00a0 mijn betaalrekening & pas aanpassen Mej. \u2014->  Mw."

print(json.loads(json_dumped_s))
>>> Ik wil de te naamstelling van   mijn betaalrekening & pas aanpassen Mej. —->  Mw.