refactor: Tweak full_chain_odd.py
#3035
All 45 required jobs successful
✅ successful required checks: Analysis / build_debug, Builds / cuda, Builds / linux-nodeps (centos8-lcg100-gcc10), Builds / linux_examples_test, Builds / linux_physmon, Builds / linux_ubuntu, Builds / linux_ubuntu_extra (ubuntu2004, 17), Builds / linux_ubuntu_extra (ubuntu2204_clang, 17), Builds / linux_ubuntu_extra (ubuntu2204_cpp20, 20), Builds / macos, Builds / sycl, CI Bridge / build_exatrkx, CI Bridge / build_linux_ubuntu, CI Bridge / clang_tidy, CI Bridge / lcg_102b: [centos7, gcc11], CI Bridge / lcg_104: [alma9, clang16], CI Bridge / lcg_104: [alma9, gcc13], CI Bridge / lcg_105: [alma9, clang16], CI Bridge / lcg_105: [alma9, gcc13], CI Bridge / linux_physmon, CI Bridge / linux_test_examples, CI Bridge / linux_ubuntu_2004_cpp17, CI Bridge / linux_ubuntu_2204_clang, CI Bridge / linux_ubuntu_2204_cpp20, CI Bridge / test_exatrkx_python, CI Bridge / test_exatrkx_unittests, Checks / boost_test_macro, Checks / cmake_options, Checks / end_of_line, Checks / format, Checks / format-py, Checks / fpe_masks, Checks / include_guards, Checks / license, Checks / missing_includes, Checks / pragma_once, Checks / size_t, Checks / smearing_config, Checks / spelling, Checks / unused_files, Docs / docs, Lint PR / Validate PR title, milestone-set, policy-bot: main