diff --git a/src/_pytest/junitxml.py b/src/_pytest/junitxml.py
index db282d70a..c8032e158 100644
--- a/src/_pytest/junitxml.py
+++ b/src/_pytest/junitxml.py
@@ -248,7 +248,9 @@ class _NodeReporter:
                 skipreason = skipreason[9:]
             details = f"{filename}:{lineno}: {skipreason}"
 
-            skipped = ET.Element("skipped", type="pytest.skip", message=bin_xml_escape(skipreason))
+            skipped = ET.Element(
+                "skipped", type="pytest.skip", message=bin_xml_escape(skipreason)
+            )
             skipped.text = bin_xml_escape(details)
             self.append(skipped)
             self.write_captured_output(report)