python.pkgs.gpg: rename to gpgme

Let's be honest with what we expose.

pkgs/development/python-modules/alot/default.nix

@@ -1,6 +1,6 @@
 { stdenv, lib, buildPythonPackage, fetchFromGitHub, isPy3k
-, notmuch, urwid, urwidtrees, twisted, python_magic, configobj, pygpgme, mock, file, gpgme
-, service-identity, gpg
+, notmuch, urwid, urwidtrees, twisted, python_magic, configobj, mock, file, gpgme
+, service-identity
 , gnupg ? null, sphinx, awk ? null, procps ? null, future ? null
 , withManpage ? false }:
 
@@ -36,7 +36,7 @@ buildPythonPackage rec {
     configobj
     service-identity
     file
-    gpg
+    gpgme
   ];
 
   # some twisted tests need the network (test_env_set... )

pkgs/top-level/python-packages.nix

@@ -8173,7 +8173,7 @@ in {
 
   google_gax = callPackage ../development/python-modules/google_gax { };
 
-  gpg = toPythonModule (pkgs.gpgme.override { withPython=true; });
+  gpgme = toPythonModule (pkgs.gpgme.override { withPython=true; });
 
   grammalecte = callPackage ../development/python-modules/grammalecte { };