Corrected YearComparisonLookup.get_bound() signature.

django/db/models/lookups.py

@@ -509,7 +509,7 @@ class YearComparisonLookup(YearLookup):
     def get_rhs_op(self, connection, rhs):
         return connection.operators[self.lookup_name] % rhs
 
-    def get_bound(self):
+    def get_bound(self, start, finish):
         raise NotImplementedError(
             'subclasses of YearComparisonLookup must provide a get_bound() method'
         )

tests/lookup/test_lookups.py

+from datetime import datetime
+
+from django.db.models import Value
+from django.db.models.fields import DateTimeField
+from django.db.models.lookups import YearComparisonLookup
+from django.test import SimpleTestCase
+
+
+class YearComparisonLookupTests(SimpleTestCase):
+    def test_get_bound(self):
+        look_up = YearComparisonLookup(
+            lhs=Value(datetime(2010, 1, 1, 0, 0, 0), output_field=DateTimeField()),
+            rhs=Value(datetime(2010, 1, 1, 23, 59, 59), output_field=DateTimeField()),
+        )
+        msg = 'subclasses of YearComparisonLookup must provide a get_bound() method'
+        with self.assertRaisesMessage(NotImplementedError, msg):
+            look_up.get_bound(datetime(2010, 1, 1, 0, 0, 0), datetime(2010, 1, 1, 23, 59, 59))