X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/9ce01076f2854a0f3c95391becc6af08073796cd..ac54db264df3ba87306945a5494bd89e38266c38:/philo/utils/entities.py

diff --git a/philo/utils/entities.py b/philo/utils/entities.py
index f52620f..05e41fc 100644
--- a/philo/utils/entities.py
+++ b/philo/utils/entities.py
@@ -117,6 +117,7 @@ class LazyAttributeMapperMixin(object):
 		return self.get_attributes().get(key=key)
 	
 	def _add_to_cache(self, key):
+		from philo.models.base import Attribute
 		try:
 			attr = self._raw_get_attribute(key)
 		except Attribute.DoesNotExist:
@@ -164,7 +165,12 @@ class LazyTreeAttributeMapper(LazyAttributeMapperMixin, TreeAttributeMapper):
 
 
 class PassthroughAttributeMapper(AttributeMapper):
-	"""Given an iterable of :class:`Entities <philo.models.base.Entity>`, this mapper will fetch an :class:`AttributeMapper` for each one. Lookups will return the value from the first :class:`AttributeMapper` which has an entry for a given key."""
+	"""
+	Given an iterable of :class:`Entities <philo.models.base.Entity>`, this mapper will fetch an :class:`AttributeMapper` for each one. Lookups will return the value from the first :class:`AttributeMapper` which has an entry for a given key. Assignments will be made to the first :class:`.Entity` in the iterable.
+	
+	:param entities: An iterable of :class:`.Entity` subclass instances.
+	
+	"""
 	def __init__(self, entities):
 		self._attributes = [e.attributes for e in entities]
 		super(PassthroughAttributeMapper, self).__init__(self._attributes[0].entity)