Some little change

lib/Gedmo/Sluggable/Mapping/Driver/Yaml.php

@@ -73,8 +73,6 @@ class Yaml extends File implements Driver
                         if (isset($config['slug'])) {
                             throw new InvalidMappingException("There cannot be two slug fields: [{$slugField}] and [{$config['slug']}], in class - {$meta->name}.");
                         }
-                        
-
                         $config['slugFields'][$field]['slug'] = $field;
                         $config['slugFields'][$field]['style'] = isset($slug['style']) ?
                             (string)$slug['style'] : 'default';

lib/Gedmo/Sluggable/SluggableListener.php

@@ -227,7 +227,6 @@ class SluggableListener extends MappedEventSubscriber
                 $meta->getReflectionProperty($slugFieldConfig['slug'])->setValue($object, $slug);
                 // recompute changeset
                 $ea->recomputeSingleObjectChangeSet($uow, $meta, $object);
-            
             }
         }
     }
@@ -325,4 +324,4 @@ class SluggableListener extends MappedEventSubscriber
             }
         }
     }
-}
+}