Update tox.ini

Author: s-cu-bot

tox.ini

@@ -37,9 +37,8 @@ commands =
 [testenv:release]
 deps =
   -r{toxinidir}/requirements-dev.txt
-
 commands =
-  pytest -n 5 tests/initial_tox_test.py::test_release_environment
+  pytest -n 4 tests/initial_tox_test.py::test_release_environment
   pytest -v --flake8
   pyinstaller --onefile cli.py -n cli --additional-hooks-dir=hooks --hidden-import=pkg_resources.extern
   {toxinidir}/dist/cli -p tests -o test_result_cli