[entity] do not raise an AssertionError if the kwargs given to set_relations/attributes is empty
Regression was introduced in 3.16 with the new cw_set API.
Old set_relations and set_attributes methods did not crash on empty
kwargs.
Closes #3104019.
@echo off
rem = """-*-Python-*- script
rem -------------------- DOS section --------------------
rem You could set PYTHONPATH or TK environment variables here
python -x "%~f0" %*
goto exit
"""
# -------------------- Python section --------------------
import sys
from os.path import join, dirname, normpath
sys.path.insert(0, normpath(join(dirname(__file__), '..', '..')))
from cubicweb.cwctl import run
run(sys.argv[1:])
DosExitLabel = """
:exit
rem """