Error on warnings during tests.

domdfcoding · domdfcoding · commit 0571c8af96d0 · 2025-12-24T10:31:32.000Z
diff --git a/tox.ini b/tox.ini
@@ -206,6 +206,7 @@ package = coverage_pyver_pragma
 [pytest]
 addopts = --color yes --durations 25
 timeout = 300
+filterwarnings = error
 
 [testenv:coverage]
 basepython = python3.8
