diff --git a/packages/@jsii/python-runtime/tests/test_invoke_bin.py b/packages/@jsii/python-runtime/tests/test_invoke_bin.py
index 468d7a3aa8..f4e91fbee5 100644
--- a/packages/@jsii/python-runtime/tests/test_invoke_bin.py
+++ b/packages/@jsii/python-runtime/tests/test_invoke_bin.py
@@ -24,7 +24,9 @@ def silence_node_deprecation_warnings():
         environ[var] = "1"
 
     # silence this for the next decades
-    environ["JSII_SILENCE_WARNING_END_OF_LIFE_NODE_VERSION"] = "14,16,18,20,22,24,26,28,30,32,34"
+    environ[
+        "JSII_SILENCE_WARNING_END_OF_LIFE_NODE_VERSION"
+    ] = "14,16,18,20,22,24,26,28,30,32,34"
 
     # Execute the test
     yield