From 312e9037f49bf0b163d071dc68fe76c2b5d77319 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Sat, 18 Apr 2020 07:25:52 +0200
Subject: [PATCH] python2.pkgs.cryptography: fixup build of dependants

... most notably fix pyopenssl.  I can't say I really understand this,
but the commit seems safe enough.
---
 pkgs/development/python-modules/cryptography/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/cryptography/default.nix b/pkgs/development/python-modules/cryptography/default.nix
index 22f647b216d..9b14f4a6fc7 100644
--- a/pkgs/development/python-modules/cryptography/default.nix
+++ b/pkgs/development/python-modules/cryptography/default.nix
@@ -17,6 +17,7 @@
 , iso8601
 , pytz
 , hypothesis
+, enum34
 }:
 
 buildPythonPackage rec {
@@ -36,7 +37,7 @@ buildPythonPackage rec {
     packaging
     six
   ] ++ stdenv.lib.optional (!isPyPy) cffi
-  ++ stdenv.lib.optionals isPy27 [ ipaddress ];
+  ++ stdenv.lib.optionals isPy27 [ ipaddress enum34 ];
 
   checkInputs = [
     cryptography_vectors