From b372e6763b0965b250916c6f27f92401b5804007 Mon Sep 17 00:00:00 2001
From: Paul Kehrer <paul.l.kehrer@gmail.com>
Date: Wed, 15 Apr 2015 11:05:24 -0400
Subject: improve KeyUsage repr

fixes #1834
---
 src/cryptography/x509.py | 4 ++--
 tests/test_x509_ext.py   | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/cryptography/x509.py b/src/cryptography/x509.py
index a9b6f8bd..b533b434 100644
--- a/src/cryptography/x509.py
+++ b/src/cryptography/x509.py
@@ -353,8 +353,8 @@ class KeyUsage(object):
             encipher_only = self.encipher_only
             decipher_only = self.decipher_only
         except ValueError:
-            encipher_only = "N/A"
-            decipher_only = "N/A"
+            encipher_only = None
+            decipher_only = None
 
         return ("<KeyUsage(digital_signature={0.digital_signature}, "
                 "content_commitment={0.content_commitment}, "
diff --git a/tests/test_x509_ext.py b/tests/test_x509_ext.py
index acfe761d..9f98bce1 100644
--- a/tests/test_x509_ext.py
+++ b/tests/test_x509_ext.py
@@ -149,8 +149,8 @@ class TestKeyUsage(object):
         assert repr(ku) == (
             "<KeyUsage(digital_signature=True, content_commitment=True, key_en"
             "cipherment=False, data_encipherment=False, key_agreement=False, k"
-            "ey_cert_sign=True, crl_sign=False, encipher_only=N/A, decipher_on"
-            "ly=N/A)>"
+            "ey_cert_sign=True, crl_sign=False, encipher_only=None, decipher_o"
+            "nly=None)>"
         )
 
     def test_repr_key_agreement_true(self):
-- 
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