diff --git a/src/caoscrawler/identifiable_adapters.py b/src/caoscrawler/identifiable_adapters.py
index 98281c4d8a8b25bff52dfef527712a015764b008..6169a99e7bf47daffb53332b7e0b6513730f2561 100644
--- a/src/caoscrawler/identifiable_adapters.py
+++ b/src/caoscrawler/identifiable_adapters.py
@@ -45,12 +45,13 @@ from .utils import has_parent
 logger = logging.getLogger(__name__)
 
 
-def _retrieve_RecordType(id=None, name =None):
+def _retrieve_RecordType(id=None, name=None):
     """
     Retrieve the RecordType from LinkAhead. For mocking purposes.
     """
     return db.RecordType(name=name, id=id).retrieve()
 
+
 def get_children_of_rt(rtname):
     """Supply the name of a recordtype. This name and the name of all children RTs are returned in
     a list"""
@@ -658,8 +659,7 @@ class CaosDBIdentifiableAdapter(IdentifiableAdapter):
             return registered[0]
         else:
             return None
-     
-            
+
     def _get_registered_for_rt(self, rt: db.RecordType):
         """
         returns the registered identifiable for the given RecordType or the
@@ -681,9 +681,6 @@ class CaosDBIdentifiableAdapter(IdentifiableAdapter):
             return registered[0]
         else:
             return None
-        
-
-
 
     def retrieve_identified_record_for_identifiable(self, identifiable: Identifiable):
         query_string = self.create_query_for_identifiable(identifiable)
diff --git a/unittests/test_crawler.py b/unittests/test_crawler.py
index def00e41d7a2b95bd1a87187623cf34555471137..bdb22ba2171c6d52633c4429d98735e560cf6375 100644
--- a/unittests/test_crawler.py
+++ b/unittests/test_crawler.py
@@ -371,8 +371,9 @@ def test_split_into_inserts_and_updates_with_circ(crawler_mocked_identifiable_re
     with pytest.raises(RuntimeError):
         crawler._split_into_inserts_and_updates(st)
 
-@patch("caoscrawler.identifiable_adapters._retrieve_RecordType", 
-       new=Mock(side_effect=lambda id, name: db.RecordType(id=id,name=name)))
+
+@patch("caoscrawler.identifiable_adapters._retrieve_RecordType",
+       new=Mock(side_effect=lambda id, name: db.RecordType(id=id, name=name)))
 def test_split_into_inserts_and_updates_with_complex(crawler_mocked_identifiable_retrieve):
     crawler = crawler_mocked_identifiable_retrieve
     #      A
@@ -400,8 +401,9 @@ def test_split_into_inserts_and_updates_with_complex(crawler_mocked_identifiable
 
     # TODO write test where the unresoled entity is not part of the identifiable
 
-@patch("caoscrawler.identifiable_adapters._retrieve_RecordType", 
-       new=Mock(side_effect=lambda id, name: db.RecordType(id=id,name=name)))
+
+@patch("caoscrawler.identifiable_adapters._retrieve_RecordType",
+       new=Mock(side_effect=lambda id, name: db.RecordType(id=id, name=name)))
 @patch("caoscrawler.crawl.cached_get_entity_by",
        new=Mock(side_effect=mock_get_entity_by))
 @patch("caoscrawler.identifiable_adapters.cached_query",
@@ -584,8 +586,9 @@ def test_split_into_inserts_and_updates_diff_backref(crawler_mocked_for_backref_
     assert len(update) == 2
     assert len(insert) == 1
 
-@patch("caoscrawler.identifiable_adapters._retrieve_RecordType", 
-       new=Mock(side_effect=lambda id, name: db.RecordType(id=id,name=name)))
+
+@patch("caoscrawler.identifiable_adapters._retrieve_RecordType",
+       new=Mock(side_effect=lambda id, name: db.RecordType(id=id, name=name)))
 def test_replace_entities_with_ids():
     crawler = Crawler()
     a = (db.Record().add_parent("B").add_property("A", 12345)
@@ -598,8 +601,8 @@ def test_replace_entities_with_ids():
     assert a.get_property("C").value == [12345, 233324]
 
 
-@patch("caoscrawler.identifiable_adapters._retrieve_RecordType", 
-       new=Mock(side_effect=lambda id, name: db.RecordType(id=id,name=name)))
+@patch("caoscrawler.identifiable_adapters._retrieve_RecordType",
+       new=Mock(side_effect=lambda id, name: db.RecordType(id=id, name=name)))
 @patch("caoscrawler.crawl.cached_get_entity_by",
        new=Mock(side_effect=mock_get_entity_by))
 @patch("caoscrawler.identifiable_adapters.cached_get_entity_by",
@@ -625,8 +628,8 @@ def test_synchronization_no_commit(upmock, insmock):
     assert len(ups) == 1
 
 
-@patch("caoscrawler.identifiable_adapters._retrieve_RecordType", 
-       new=Mock(side_effect=lambda id, name: db.RecordType(id=id,name=name)))
+@patch("caoscrawler.identifiable_adapters._retrieve_RecordType",
+       new=Mock(side_effect=lambda id, name: db.RecordType(id=id, name=name)))
 @patch("caoscrawler.crawl.cached_get_entity_by",
        new=Mock(side_effect=mock_get_entity_by))
 @patch("caoscrawler.identifiable_adapters.cached_get_entity_by",