Error during Environment creation

Well, I just pin the following versions of setuptools==46.1.3 and 57.5.0. And I still get the same error:

installing renku from spec 'renku==0.16.0'...
    ERROR: Command errored out with exit status 1:
     command: /home/jovyan/.local/pipx/venvs/renku/bin/python -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-0hc48hdj/rdflib-jsonld_fec895bc95cc43e0a416fb637f584d49/setup.py'"'"'; __file__='"'"'/tmp/pip-install-0hc48hdj/rdflib-jsonld_fec895bc95cc43e0a416fb637f584d49/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-pip-egg-info-hg5sb812
         cwd: /tmp/pip-install-0hc48hdj/rdflib-jsonld_fec895bc95cc43e0a416fb637f584d49/
    Complete output (1 lines):
    error in rdflib-jsonld setup command: use_2to3 is invalid.
    ----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/f5/17/45e137be0d93b70827fe5529c0400731344a978bc792193d7d9152e6dbe4/rdflib-jsonld-0.5.0.tar.gz#sha256=4f7d55326405071c7bce9acf5484643bcb984eadb84a6503053367da207105ed (from https://pypi.org/simple/rdflib-jsonld/). Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
ERROR: Could not find a version that satisfies the requirement rdflib-jsonld<0.6.0,>=0.5.0 (from renku) (from versions: 0.2, 0.3, 0.4.0, 0.5.0)
ERROR: No matching distribution found for rdflib-jsonld<0.6.0,>=0.5.0
Error installing renku from spec 'renku==0.16.0'.

Probably I am not pinning correctly the package. Any more hints?

Cheers
Luis