diff --git a/Examples/Python/python/acts/_adapter.py b/Examples/Python/python/acts/_adapter.py
index ad2f256a8d1..112fbf7f631 100644
--- a/Examples/Python/python/acts/_adapter.py
+++ b/Examples/Python/python/acts/_adapter.py
@@ -31,7 +31,9 @@ def wrapped(self, *args, **kwargs):
                 try:
                     setattr(cfg, k, v)
                 except TypeError as e:
-                    raise RuntimeError("{}: Failed to set {}={}".format(type(cfg), k, v)) from e
+                    raise RuntimeError(
+                        "{}: Failed to set {}={}".format(type(cfg), k, v)
+                    ) from e
             else:
                 _kwargs[k] = v
         try: