WARNING spip2pelican:spip2pelican.py:175 WARNING: nullify link to non existing article art4 text: **C++ avancé : design patterns, STL et librairies scientifiques** url: art4=========================== short test summary info ============================FAILED test/test_article.py::test_export - TypeError: can only concatenate st...========================= 1 failed, 2 passed in 0.46s ==========================Running after_scriptUploading artifacts for failed jobERROR: Job failed: exit code 1