From b262aba7338b8e3aa97bccb91309848a553280e3 Mon Sep 17 00:00:00 2001
From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Thu, 14 Jun 2018 04:02:10 +0200
Subject: [PATCH] gnu: python-gnupg: Return #t from phase.

* gnu/packages/gnupg.scm (python-gnupg)[arguments]: Substitute INVOKE
for SYSTEM*.
---
 gnu/packages/gnupg.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/gnupg.scm b/gnu/packages/gnupg.scm
index ff2efb759e..ecd280f6db 100644
--- a/gnu/packages/gnupg.scm
+++ b/gnu/packages/gnupg.scm
@@ -529,8 +529,8 @@ decrypt messages using the OpenPGP format by making use of GPGME.")
              (setenv "USERNAME" "guixbuilder")
              ;; The doctests are extremely slow and sometimes time out,
              ;; so we disable them.
-             (zero? (system* "python"
-                             "test_gnupg.py" "--no-doctests")))))))
+             (invoke "python"
+                     "test_gnupg.py" "--no-doctests"))))))
     (native-inputs
      `(("gnupg" ,gnupg-1)))
     (home-page "https://packages.python.org/python-gnupg/index.html")