From b95d95d8fed86af76a9a89a7a6fad5636fd92af5 Mon Sep 17 00:00:00 2001
From: freezeboy <freezeboy@users.noreply.github.com>
Date: Sun, 29 Nov 2020 19:17:37 +0100
Subject: [PATCH] python2Packages.ecpy: unbreak due to invalid code

---
 pkgs/development/python-modules/ecpy/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/python-modules/ecpy/default.nix b/pkgs/development/python-modules/ecpy/default.nix
index bb54fc6e73fa..37bbb183ff40 100644
--- a/pkgs/development/python-modules/ecpy/default.nix
+++ b/pkgs/development/python-modules/ecpy/default.nix
@@ -9,11 +9,17 @@ buildPythonPackage rec {
     sha256 = "9635cffb9b6ecf7fd7f72aea1665829ac74a1d272006d0057d45a621aae20228";
   };
 
+  prePatch = ''
+    sed -i "s|reqs.append('future')|pass|" setup.py
+  '';
+
   propagatedBuildInputs = lib.optional (!isPy3k) future;
 
   # No tests implemented
   doCheck = false;
 
+  pythonImportsCheck = [ "ecpy" ];
+
   meta = with lib; {
     description = "Pure Pyhton Elliptic Curve Library";
     homepage = "https://github.com/ubinity/ECPy";