diff --git a/src/caosadvancedtools/cfood.py b/src/caosadvancedtools/cfood.py
index 6fbde84c9aeb6ca72cfa53fbc70e0201bf4f7cdb..662e73d66b8e1bb1c1d1299ef7f9425e73fec5a5 100644
--- a/src/caosadvancedtools/cfood.py
+++ b/src/caosadvancedtools/cfood.py
@@ -53,23 +53,25 @@ class AbstractCFood(object):
 
     @staticmethod
     def find_existing(entity):
-        query_string = "FIND Record "+ entity.get_parents()[0].name
-        query_string += " with " + "and".join(["'" + p.name + "'='" + p.value +"'" 
-                                            for p in entity.get_properties()])
+        query_string = "FIND Record " + entity.get_parents()[0].name
+        query_string += " with " + "and".join(["'" + p.name + "'='" + p.value + "'"
+                                               for p in entity.get_properties()])
         print(query_string)
         q = db.Query(query_string)
         try:
             r = q.execute(unique=True)
         except TransactionError as er:
             r = None
+
         return r
 
+
 class ExampleCFood(AbstractCFood):
     def create_identifiables(self, filename, match):
         entities = {}
         entities["exp"] = db.Record()
         #import IPython
-        #IPython.embed()
+        # IPython.embed()
         entities["exp"].add_parent(name="Experiment")
         entities["exp"].add_property(name="species", value=match.group)
 
@@ -80,6 +82,7 @@ class ExampleCFood(AbstractCFood):
                                      value=datetime.today().isoformat())
         db.Container().extend(entities.values).update()
 
+
 def get_parser():
     parser = argparse.ArgumentParser(description=__doc__,
                                      formatter_class=RawTextHelpFormatter)