diff --git a/ipytest/cov.py b/ipytest/cov.py
index 4f1f7e4..7057c87 100644
--- a/ipytest/cov.py
+++ b/ipytest/cov.py
@@ -45,7 +45,7 @@ def test():
 
 
 def find_coverage_configs():
-    cands = [".coveragerc", "setup.cfg", "tox.ini", "pyproject.toml"]
+    _cands = [".coveragerc", "setup.cfg", "tox.ini", "pyproject.toml"]
 
     # setup.cfg, tox.ini: [coverage:
     # pyproject.toml: [tool.coverage