Updated docs

unittests/unittests_query/models.py

@@ -1,18 +1,16 @@
 class User:
-
     def __init__(self, name, address):
         self.name = name
         self.address = address
 
     def __repr__(self):
-        return f'<{type(self).__name__} {self.name} {self.address}>'
+        return f"<{type(self).__name__} {self.name} {self.address}>"
 
 
 class Address:
-
     def __init__(self, street, nr):
         self.street = street
         self.nr = nr
 
     def __repr__(self):
-        return f'<{type(self).__name__} {self.street} {self.nr}>'
+        return f"<{type(self).__name__} {self.street} {self.nr}>"