object inheritance for python2 annotation

cx1111 · cx1111 · commit 0badc1ab8239 · 2017-05-23T09:14:54.000-04:00
diff --git a/wfdb/annotations.py b/wfdb/annotations.py
@@ -6,7 +6,7 @@
 from . import downloads
 
 # Class for WFDB annotations
-class Annotation():
+class Annotation(object):
     """
     The class representing WFDB annotations. 
 
