Original title: tests are sometimes failing due to network outage https://git.duniter.org/clients/python/silkaj/-/jobs/42791 ``` FAILED tests/test_verify_blocks.py::test_get_chunks[2-1] - TypeError: 'NoneTy... FAILED tests/test_verify_blocks.py::test_get_chunks[5-10] - TypeError: 'NoneT... ```