[totem/wip/inigomartinez/meson-improve: 15/16] build: Do not use a variable for python3 module

[Iñigo Martínez <inigomartinez src gnome org>]

commit f0c770383bdbf991fea3d6a2de755a1db717902a
Author: Iñigo Martínez <inigomartinez gmail com>
Date:   Wed Feb 21 11:07:17 2018 +0100

    build: Do not use a variable for python3 module
    
    The python3 module is used in meson only to check that a recent
    version is available, so there is no need to store the module in a
    variable for any other use.

 meson.build |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/meson.build b/meson.build
index 544f467..eb33c1f 100644
--- a/meson.build
+++ b/meson.build
@@ -180,9 +180,7 @@ config_h.set('ENABLE_MISSING_PLUGIN_INSTALLATION', enable_easy_codec_installatio
 # python support
 enable_python = get_option('python')
 if enable_python
-  py3 = import('python3')
-
-  assert(py3.find_python().found(), 'python3 required for python support')
+  assert(import('python3').find_python().found(), 'python3 required for python support')
   assert(find_program('pylint-3', 'pylint3', 'pylint', required: false).found(), 'pylint required for python 
support')
 
   pygobject_dep = dependency('pygobject-3.0', version: '>= 2.90.3')