provide py3 style __next__ methods

1 files changed, 3 insertions, 1 deletions

diff --git a/wsgitools/filters.py b/wsgitools/filters.py
index 4c7ff20..4305c9d 100644
--- a/wsgitools/filters.py
+++ b/wsgitools/filters.py
@@ -35,7 +35,7 @@ class CloseableIterator:
         @rtype: gen()
         """
         return self
-    def next(self):
+    def __next__(self):
         """iterator interface"""
         if not self.iterators:
             raise StopIteration
@@ -44,6 +44,8 @@ class CloseableIterator:
         except StopIteration:
             self.iterators.pop(0)
             return next(self)
+    def next(self):
+        return self.__next__()
 
 __all__.append("CloseableList")
 class CloseableList(list):