drop support for Python 2.x

1 files changed, 5 insertions, 6 deletions

diff --git a/wsgitools/filters.py b/wsgitools/filters.py
index 2a97066..7f8543d 100644
--- a/wsgitools/filters.py
+++ b/wsgitools/filters.py
@@ -15,7 +15,7 @@ import io
 from wsgitools.internal import str2bytes
 
 __all__.append("CloseableIterator")
-class CloseableIterator(object):
+class CloseableIterator:
     """Concatenating iterator with close attribute."""
     def __init__(self, close_function, *iterators):
         """If close_function is not C{None}, it will be the C{close} attribute
@@ -40,8 +40,7 @@ class CloseableIterator(object):
         except StopIteration:
             self.iterators.pop(0)
             return next(self)
-    def next(self):
-        return self.__next__()
+
 
 __all__.append("CloseableList")
 class CloseableList(list):
@@ -61,7 +60,7 @@ class CloseableList(list):
                                  list.__iter__(self))
 
 __all__.append("BaseWSGIFilter")
-class BaseWSGIFilter(object):
+class BaseWSGIFilter:
     """Generic WSGI filter class to be used with L{WSGIFilterMiddleware}.
 
     For each request a filter object gets created.
@@ -138,7 +137,7 @@ class BaseWSGIFilter(object):
         """This method is invoked after the request has finished."""
 
 __all__.append("WSGIFilterMiddleware")
-class WSGIFilterMiddleware(object):
+class WSGIFilterMiddleware:
     """This wsgi middleware can be used with specialized L{BaseWSGIFilter}s to
     modify wsgi requests and/or reponses."""
     def __init__(self, app, filterclass):
@@ -322,7 +321,7 @@ class TimerWSGIFilter(BaseWSGIFilter):
         @rtype: bytes
         """
         if data == self.pattern:
-            return str2bytes("%8.3g" % (time.time() - self.start))
+            return b"%8.3g" % (time.time() - self.start)
         return data
 
 __all__.append("EncodeWSGIFilter")