[FIX] hr_attendance: fix small during check quality

bzr revid: hmo@tinyerp.com-20100903100903-82pj3xya5b6hmh04

addons/hr_attendance/hr_attendance.py

@@ -98,6 +98,8 @@ class hr_employee(osv.osv):
         if context is None:
             context = {}
         result = {}
+        if not ids:
+            return result
         for id in ids:
             result[id] = 'absent'
         cr.execute('SELECT hr_attendance.action, hr_attendance.employee_id \
@@ -156,4 +158,4 @@ class hr_employee(osv.osv):
 
 hr_employee()
 
-# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: