Merge branch 'master' of github.com:maciekrb/mapreduceutils

Author: maciekrb

mapreduceutils/modifiers/__init__.py

@@ -37,7 +37,7 @@ def get_operand(self, name):
 
       prefix, attr_name = self.operands[name].split('.', 1)
       if prefix == 'model':
-        return getattr(self.record, attr_name)
+        return getattr(self.record, attr_name, None)
       elif prefix == 'identifier':
         return self.get_value_from_chain(attr_name)
 

mapreduceutils/propertymap.py

@@ -5,7 +5,6 @@
 Implementation of classes which set rules, define properties or transformations to
 be generated over db.Model ndb.Model objects
 """
-from google.appengine.ext import db, ndb
 from collections import OrderedDict
 from utils import parse_model_path