Merge pull request #10 from swisscom/bugfix/null_in_m2m_rel

Bugfix: None in M2M relationships

setup.py

@@ -21,7 +21,7 @@
 """
 
 setup(name='CleanerVersion',
-      version='1.2.1',
+      version='1.2.2',
       description='A versioning solution for relational data models',
       long_description='CleanerVersion is a solution that allows you to read and write multiple versions of an entry '
                        'to and from your relational database. It allows to keep track of modifications on an object '

versions/models.py

@@ -674,7 +674,7 @@ class VersionedReverseManyRelatedObjectsDescriptor(ReverseManyRelatedObjectsDesc
     'related_manager_cls' property
     """
 
-    def __get__(self, instance, owner):
+    def __get__(self, instance, owner=None):
         """
         Reads the property as which this object is figuring; mainly used for debugging purposes
         :param instance: The instance on which the getter was called
@@ -704,7 +704,7 @@ def __init__(self, related, via_field_name):
         super(VersionedManyRelatedObjectsDescriptor, self).__init__(related)
         self.via_field_name = via_field_name
 
-    def __get__(self, instance, owner):
+    def __get__(self, instance, owner=None):
         """
         Reads the property as which this object is figuring; mainly used for debugging purposes
         :param instance: The instance on which the getter was called

versions/tests.py

@@ -1229,5 +1229,3 @@ def test_filtering_two_jumps_reverse_with_version_at_t2(self):
             count = C3.objects.as_of(self.t2) \
                 .filter(c2s__c1s__name__startswith='c1').propagate_querytime().all().count()
             self.assertEqual(2, count)
-
-