Cannot import name 'NTriplesParser when build dbpedia index

[HansiZeng]

When I tried to build the index from dpbedia dump using the following code,

VERSION=2015-10
python -m nordlys.core.data.dbpedia.indexer_dbpedia_types data/config/dbpedia-$VERSION/index_types.config.json

I face the error ImportError: cannot import name 'NTriplesParser' from 'rdflib.plugins.parsers.ntriples'
The traceback is:

File "/home/xxxx/miniconda3/envs/matchmaker/lib/python3.8/runpy.py", line 194, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "/home/xxxx/miniconda3/envs/matchmaker/lib/python3.8/runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "/mnt/nfs/scratch1/xxxx/nordlys/nordlys/core/data/dbpedia/indexer_dbpedia_types.py", line 34, in <module>
    from rdflib.plugins.parsers.ntriples import NTriplesParser
ImportError: cannot import name 'NTriplesParser' from 'rdflib.plugins.parsers.ntriples' (/home/xxxx/miniconda3/envs/matchmaker/lib/python3.8/site-packag
es/rdflib/plugins/parsers/ntriples.py)

My package and python versions:
python==3.8.12
rdflib==6.0.2