https://github.com/twisted/incremental/issues/110

--- incremental-24.7.2/tox.ini.orig
+++ incremental-24.7.2/tox.ini
@@ -44,7 +44,6 @@
     {envbindir}/trial --version
     coverage erase
     coverage run {envbindir}/trial incremental
-    coverage run {envbindir}/trial tests/test_examples.py
     coverage combine
     coverage report
     coverage html