data._init(): use 'portage' default in first call
diff --git a/pym/portage/data.py b/pym/portage/data.py
index a25b282..cf94ab0 100644
--- a/pym/portage/data.py
+++ b/pym/portage/data.py
@@ -184,12 +184,10 @@
if '_portage_grpname' not in _initialized_globals and \
'_portage_username' not in _initialized_globals:
- v = settings.get('PORTAGE_GRPNAME')
- if v is not None:
- globals()['_portage_grpname'] = v
- _initialized_globals.add('_portage_grpname')
+ v = settings.get('PORTAGE_GRPNAME', 'portage')
+ globals()['_portage_grpname'] = v
+ _initialized_globals.add('_portage_grpname')
- v = settings.get('PORTAGE_USERNAME')
- if v is not None:
- globals()['_portage_username'] = v
- _initialized_globals.add('_portage_username')
+ v = settings.get('PORTAGE_USERNAME', 'portage')
+ globals()['_portage_username'] = v
+ _initialized_globals.add('_portage_username')
