Try using changedir.

mblayman · mblayman · commit b7d530635b15 · 2025-07-16T21:48:12.000-04:00
diff --git a/tox.ini b/tox.ini
@@ -21,8 +21,9 @@ deps =
     pytest
     pytest-tap
 commands =
-    pytest --tap-files --tap-outdir=results {envsitepackagesdir}/tap
+    pytest --tap-files --tap-outdir=results
     tappy results
+changedir = {envsitepackagesdir}/tap
 
 [testenv:coverage]
 setenv =
