Add newline to file

nomad/app/dcat/mapping.py

@@ -111,4 +111,4 @@ class Mapping():
                 entry.upload_id, entry.calc_id))))
             self.g.add((dist, DCAT.packageFormat, URIRef('https://www.iana.org/assignments/media-types/application/zip')))
 
-        return dist
\ No newline at end of file
+        return dist