Traceback (most recent call last):
  File "libs/python/test-one.py", line 15, in <module>
    p = mf2py.Parser(doc=file, url=base)
  File "libs/python/.venv/lib/python3.14/site-packages/mf2py/parser.py", line 184, in __init__
    self._parse()
    ~~~~~~~~~~~^^
  File "libs/python/.venv/lib/python3.14/site-packages/mf2py/parser.py", line 546, in _parse
    parse_el(self.__doc__, ctx)
    ~~~~~~~~^^^^^^^^^^^^^^^^^^^
  File "libs/python/.venv/lib/python3.14/site-packages/mf2py/parser.py", line 537, in parse_el
    parse_el(child, ctx)
    ~~~~~~~~^^^^^^^^^^^^
  File "libs/python/.venv/lib/python3.14/site-packages/mf2py/parser.py", line 537, in parse_el
    parse_el(child, ctx)
    ~~~~~~~~^^^^^^^^^^^^
  File "libs/python/.venv/lib/python3.14/site-packages/mf2py/parser.py", line 537, in parse_el
    parse_el(child, ctx)
    ~~~~~~~~^^^^^^^^^^^^
  File "libs/python/.venv/lib/python3.14/site-packages/mf2py/parser.py", line 524, in parse_el
    result = handle_microformat(potential_microformats, el)
  File "libs/python/.venv/lib/python3.14/site-packages/mf2py/parser.py", line 228, in handle_microformat
    ) = parse_props(child, root_lang)
        ~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "libs/python/.venv/lib/python3.14/site-packages/mf2py/parser.py", line 364, in parse_props
    u_value = parse_property.url(el, base_url=self.__url__)
  File "libs/python/.venv/lib/python3.14/site-packages/mf2py/parse_property.py", line 48, in url
    prop_value = value_class_pattern.text(el)
  File "libs/python/.venv/lib/python3.14/site-packages/mf2py/value_class_pattern.py", line 33, in text
    return "".join(_get_vcp_value(el) for el in value_els)
           ~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: sequence item 0: expected str instance, NoneType found