From 2f5cbb1b625a286cb7dc5bd2f9093dda828b3d01 Mon Sep 17 00:00:00 2001
From: "Antoine R. Dumont (@ardumont)" <antoine.romain.dumont@gmail.com>
Date: Thu, 1 Oct 2015 12:31:11 +0200
Subject: [PATCH] emacs-packages: elpy add runtime dependencies on
 pythonpackages.elpy

---
 pkgs/top-level/all-packages.nix   | 1 +
 pkgs/top-level/emacs-packages.nix | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5bb5c818378..5d5b7771d42 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11287,6 +11287,7 @@ let
 
     external = {
       inherit (haskellPackages) ghc-mod structured-haskell-mode Agda;
+      inherit (pythonPackages) elpy;
     };
   };
 
diff --git a/pkgs/top-level/emacs-packages.nix b/pkgs/top-level/emacs-packages.nix
index 360096aa1ff..d331850b504 100644
--- a/pkgs/top-level/emacs-packages.nix
+++ b/pkgs/top-level/emacs-packages.nix
@@ -442,7 +442,7 @@ let self = _self // overrides;
 
   elpy = melpaBuild rec {
     pname   = "elpy";
-    version = "1.9.0";
+    version = external.elpy.version;
     src = fetchFromGitHub {
       owner  = "jorgenschaefer";
       repo   = pname;
@@ -465,6 +465,8 @@ let self = _self // overrides;
       company find-file-in-project highlight-indentation pyvenv yasnippet
     ];
 
+    propagatedUserEnvPkgs = [ external.elpy ] ++ packageRequires;
+
     meta = {
       description = "Emacs Python Development Environment";
       longDescription = ''