Remove `__nonzero__` methods

1 files changed, 2 insertions, 6 deletions

diff --git a/src/waitress/buffers.py b/src/waitress/buffers.py
index 8091ff0..fcc1496 100644
--- a/src/waitress/buffers.py
+++ b/src/waitress/buffers.py
@@ -44,11 +44,9 @@ class FileBasedBuffer:
     def __len__(self):
         return self.remain
 
-    def __nonzero__(self):
+    def __bool__(self):
         return True
 
-    __bool__ = __nonzero__  # py3
-
     def append(self, s):
         file = self.file
         read_pos = file.tell()
@@ -224,13 +222,11 @@ class OverflowableBuffer:
         else:
             return self.strbuf.__len__()
 
-    def __nonzero__(self):
+    def __bool__(self):
         # use self.__len__ rather than len(self) FBO of not getting
         # OverflowError on Python 2
         return self.__len__() > 0
 
-    __bool__ = __nonzero__  # py3
-
     def _create_buffer(self):
         strbuf = self.strbuf
         if len(strbuf) >= self.overflow: