These packages are not needed to run tests.

--- sphobjinv-2.3.1.2/tox.ini.orig
+++ sphobjinv-2.3.1.2/tox.ini
@@ -74,12 +74,10 @@
 
     pytest>=4.4.0
     pytest-check>=1.1.2
-    pytest-ordering
     pytest-timeout
     stdio-mgr>=1.0.1
     sphinx-issues
     sphinx-rtd-theme
-    sphinxcontrib-programoutput
 
 [testenv:linux]
 platform=linux