Fix typo.

Author: progval

ppp_datamodel/nodes/list_operators.py

@@ -14,7 +14,7 @@ class ListNodeOperator(AbstractNode):
     _possible_attributes = ('list',)
 
     def _check_attributes(self, attributes):
-        super(ListOperator, self)._check_attributes(attributes)
+        super(ListNodeOperator, self)._check_attributes(attributes)
         if not isinstance(attributes['list'], List):
             raise TypeError('The “list” argument of the %s constructor '
                             'should be a List node, not %r' %

tests/test_list_operators.py

@@ -1,5 +1,5 @@
 from ppp_datamodel import AbstractNode, Resource, List
-from ppp_datamodel import Union
+from ppp_datamodel import Union, First
 
 from unittest import TestCase
 
@@ -38,3 +38,6 @@ def testHash(self):
         self.assertNotEqual(hash(o1), h2)
         hash(Union([o1, o2]))
         o1.as_json()
+
+    def testFirst(self):
+        First(List([Resource('foo'), Resource('bar')]))