Extract spectrum nearest HDB fails

Exception while trying to get nearest value for a spectrum

@BENCE

In [17]: AE.extract("ans-c01/dg/bumpinj/xposdd", '2024-09-24')
ArchiveExtractor-INFO    : Attribute ans-c01/dg/bumpinj/xposdd is a 1D vector, dimension = 500.
ArchiveExtractor-INFO    : Perform Command GetAttDataBetweenDates ['ans-c01/dg/bumpinj/xposdd', '2024-09-23 23:59:37', '2024-09-24 00:00:22']
  File "/home/operateur/.local/lib/python3.6/site-packages/ArchiveExtractor/Access.py", line 197, in extract
    d=aec._extract_attribute(attr, method, date1, date2, db)
  File "/home/operateur/.local/lib/python3.6/site-packages/ArchiveExtractor/Core.py", line 52, in _extract_attribute
    return _extract_vector(attribute, method, date1, date2, db)
  File "/home/operateur/.local/lib/python3.6/site-packages/ArchiveExtractor/Core.py", line 189, in _extract_vector
    d=pd.Series(index=[_date[idx],], data=[_value[idx],], name=attribute).dropna(axis=1, how='all')
  File "/usr/Local/pyroot/PyScientific3Root/lib/python3.6/site-packages/pandas/core/series.py", line 4895, in dropna
    self._get_axis_number(axis or 0)
  File "/usr/Local/pyroot/PyScientific3Root/lib/python3.6/site-packages/pandas/core/generic.py", line 370, in _get_axis_number
    raise ValueError(f"No axis named {axis} for object type {cls.__name__}")
ArchiveExtractor-ERROR   : Could not extract ans-c01/dg/bumpinj/xposdd.

In [18]: AE.__version__
Out[18]: '2.4.3'