Fix index build_spec #177

mongoengine/base/document.py

@@ -525,7 +525,7 @@ class BaseDocument(object):
 
         # Check to see if we need to include _cls
         allow_inheritance = cls._meta.get('allow_inheritance',
-                                          ALLOW_INHERITANCE) != False
+                                          ALLOW_INHERITANCE)
         include_cls = allow_inheritance and not spec.get('sparse', False)
 
         for key in spec['fields']:

mongoengine/fields.py

@@ -749,7 +749,7 @@ class ReferenceField(BaseField):
 
         if dbref is None:
             msg = ("ReferenceFields will default to using ObjectId "
-                   " strings in 0.8, set DBRef=True if this isn't desired")
+                   "in 0.8, set DBRef=True if this isn't desired")
             warnings.warn(msg, FutureWarning)
 
         self.dbref = dbref if dbref is not None else True  # To change in 0.8