From 2e6fb229923cc2fd7275d26ea87f22898bdc24fa Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Tue, 7 Apr 2020 12:36:45 -0700
Subject: [PATCH] python2Packages.cryptography: add missing ipaddress
 dependency

---
 pkgs/development/python-modules/cryptography/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/cryptography/default.nix b/pkgs/development/python-modules/cryptography/default.nix
index 8d655de97b8..22f647b216d 100644
--- a/pkgs/development/python-modules/cryptography/default.nix
+++ b/pkgs/development/python-modules/cryptography/default.nix
@@ -2,6 +2,8 @@
 , buildPythonPackage
 , fetchPypi
 , fetchpatch
+, isPy27
+, ipaddress
 , openssl
 , cryptography_vectors
 , darwin
@@ -33,7 +35,8 @@ buildPythonPackage rec {
   propagatedBuildInputs = [
     packaging
     six
-  ] ++ stdenv.lib.optional (!isPyPy) cffi;
+  ] ++ stdenv.lib.optional (!isPyPy) cffi
+  ++ stdenv.lib.optionals isPy27 [ ipaddress ];
 
   checkInputs = [
     cryptography_vectors