diff --git a/src/caoscrawler/crawl.py b/src/caoscrawler/crawl.py
index 6f16d52605f568fa03047d75632a5ce1c4f70c8f..3376f7ff5d7c8674b98f32621dbda8501e488609 100644
--- a/src/caoscrawler/crawl.py
+++ b/src/caoscrawler/crawl.py
@@ -224,7 +224,6 @@ class Crawler(object):
                               crawler_definition_path,
                               restricted_path)
 
-
     def _has_reference_value_without_id(self, ident: Identifiable) -> bool:
         """
         Returns True if there is at least one value in the properties attribute of ``ident`` which: