GDAL Validation of GeoPackage file - Wrong default for definition of gpkg_spatial_ref_sys

[bermud]

validate_gpkg.py from GDAL version 2.3 makes the following complaint:

~/Desktop/sprint2/apollo$ ../validate_gpkg.py GeoPackage_Vector_Apollo.gpkg.gpkg
Traceback (most recent call last):
  File "../validate_gpkg.py", line 1611, in <module>
    verbose=verbose)
  File "../validate_gpkg.py", line 1578, in check
    checker.check()
  File "../validate_gpkg.py", line 1551, in check
    self._check_gpkg_spatial_ref_sys(c)
  File "../validate_gpkg.py", line 188, in _check_gpkg_spatial_ref_sys
    'gpkg_spatial_ref_sys')
  File "../validate_gpkg.py", line 121, in _check_structure
    (name, table_name, expected_default, default))
  File "../validate_gpkg.py", line 88, in _assert
    raise GPKGCheckException('Req %s: %s' % (str(req), msg))
__main__.GPKGCheckException: Req 10: Wrong default for definition of gpkg_spatial_ref_sys. Expected None, got 'undefined'