Make the code slightly resillient to python4 (#880)
diff --git a/src/OpenSSL/crypto.py b/src/OpenSSL/crypto.py
index 5a734cc..b51e12f 100644
--- a/src/OpenSSL/crypto.py
+++ b/src/OpenSSL/crypto.py
@@ -7,7 +7,7 @@
from six import (
integer_types as _integer_types,
text_type as _text_type,
- PY3 as _PY3)
+ PY2 as _PY2)
from cryptography import x509
from cryptography.hazmat.primitives.asymmetric import dsa, rsa
@@ -377,7 +377,7 @@
"""
_curves = None
- if _PY3:
+ if not _PY2:
# This only necessary on Python 3. Morever, it is broken on Python 2.
def __ne__(self, other):
"""