From d6ddc1390daeda29addbdd1379e572a6d5a74571 Mon Sep 17 00:00:00 2001 From: Eddie Hebert Date: Thu, 6 Sep 2012 02:51:02 -0400 Subject: [PATCH] Ensures that EventWindow is a new style object. --- zipline/gens/transform.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/zipline/gens/transform.py b/zipline/gens/transform.py index 44b9bdc4..03eb41ea 100644 --- a/zipline/gens/transform.py +++ b/zipline/gens/transform.py @@ -150,7 +150,7 @@ class StatefulTransform(object): log.info('Finished StatefulTransform [%s]' % self.get_hash()) -class EventWindow: +class EventWindow(object): """ Abstract base class for transform classes that calculate iterative metrics on events within a given timedelta. Maintains a list of