it's a list!

Author: hynek

pyproject.toml

@@ -165,7 +165,7 @@ filterwarnings = ["once::Warning", "ignore:::pympler[.*]"]
 [tool.coverage.run]
 parallel = true
 branch = true
-patch = "subprocess"
+patch = ["subprocess"]
 source_pkgs = ["attr", "attrs"]
 
 [tool.coverage.paths]