Removed subfieldbase and use from_db_value as recommended by django deprecation info.

evennia/utils/picklefield.py

@@ -116,18 +116,6 @@ def dbsafe_decode(value, compress_object=False):
         value = decompress(value)
     return loads(value)
 
-#def _get_subfield_superclass():
-#    # hardcore trick to support django < 1.3 - there was something wrong with
-#    # inheritance and SubfieldBase before django 1.3
-#    # see https://github.com/django/django/commit/222c73261650201f5ce99e8dd4b1ce0d30a69eb4
-#    if django.VERSION < (1,3):
-#        return models.Field
-#    # mimic six.with_metaclass
-#    meta = models.SubfieldBase
-#    base = models.Field
-#    return meta("NewBase", (base,), {})
-#    #return six.with_metaclass(models.SubfieldBase, models.Field)
-
 
 class PickledWidget(Textarea):
     def render(self, name, value, attrs=None):
@@ -168,7 +156,7 @@ class PickledFormField(CharField):
             raise ValidationError(self.error_messages['invalid'])
 
 
-class PickledObjectField(with_metaclass(models.SubfieldBase, models.Field)):
+class PickledObjectField(models.Field):
     """
     A field that will accept *any* python object and store it in the
     database. PickledObjectField will optionally compress its values if
@@ -203,9 +191,8 @@ class PickledObjectField(with_metaclass(models.SubfieldBase, models.Field)):
         # If the field doesn't have a default, then we punt to models.Field.
         return super(PickledObjectField, self).get_default()
 
-    #def from_db_value():pass
-
-    def to_python(self, value):
+    #def to_python(self, value):
+    def from_db_value(self, value, *args):
         """
         B64decode and unpickle the object, optionally decompressing it.