[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

cheroot/server.py

@@ -1530,8 +1530,13 @@ def _close_kernel_socket(self):
                 raise
         except Exception as exc:
             # Normalize SSL exceptions if SSL is present
-            if SSL is not None and isinstance(exc, (SSL.Error, SSL.SysCallError)):
-                raise errors.FatalSSLAlert("TLS/SSL connection failure") from exc
+            if SSL is not None and isinstance(
+                exc,
+                (SSL.Error, SSL.SysCallError),
+            ):
+                raise errors.FatalSSLAlert(
+                    'TLS/SSL connection failure',
+                ) from exc
             raise  # re-raise everything else