FAILED tests/sampling/test_population.py::TestPopulationSamplers::test_checks_population_size - ValueError: setting an array element with a sequence.
FAILED tests/sampling/test_population.py::TestPopulationSamplers::test_demcmc_warning_on_small_populations - ValueError: setting an array element with a sequence.
FAILED tests/sampling/test_population.py::TestPopulationSamplers::test_nonparallelized_chains_are_random - ValueError: setting an array element with a sequence.
FAILED tests/sampling/test_population.py::TestPopulationSamplers::test_parallelized_chains_are_random - ValueError: setting an array element with a sequence.