[jhbuild] systeminstall: don't try to load the static glib bindings

[Christoph Reiter <creiter src gnome org>]

commit 36475b9bb6cb9fd09812f856444d59e1328a2b01
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Sun Sep 22 21:50:45 2019 +0200

    systeminstall: don't try to load the static glib bindings
    
    They don't work with Python 3 and we have pygobject

 jhbuild/commands/sanitycheck.py | 4 ++--
 jhbuild/utils/systeminstall.py  | 9 +++------
 2 files changed, 5 insertions(+), 8 deletions(-)
---
diff --git a/jhbuild/commands/sanitycheck.py b/jhbuild/commands/sanitycheck.py
index ed34c1be..454c928b 100644
--- a/jhbuild/commands/sanitycheck.py
+++ b/jhbuild/commands/sanitycheck.py
@@ -135,8 +135,8 @@ class cmd_sanitycheck(Command):
 
         # check for "sysdeps --install" deps:
         try:
-            import glib
-            glib
+            from gi.repository import GLib
+            GLib
         except ImportError:
             uprint(_('%s not found') % 'python-gobject')
         try:
diff --git a/jhbuild/utils/systeminstall.py b/jhbuild/utils/systeminstall.py
index f2588185..1250d12b 100644
--- a/jhbuild/utils/systeminstall.py
+++ b/jhbuild/utils/systeminstall.py
@@ -271,13 +271,10 @@ class PKSystemInstall(SystemInstall):
     def _get_new_transaction(self):
         if self._loop is None:
             try:
-                import glib
+                from gi.repository import GLib
             except ImportError:
-                try:
-                    from gi.repository import GLib as glib
-                except ImportError:
-                    raise SystemExit(_('Error: python-gobject package not found.'))
-            self._loop = glib.MainLoop()
+                raise SystemExit(_('Error: python-gobject package not found.'))
+            self._loop = GLib.MainLoop()
         if self._sysbus is None:
             try:
                 import dbus.glib