diff --git a/pym/cl_template.py b/pym/cl_template.py
index 7e336b8..16af8df 100644
--- a/pym/cl_template.py
+++ b/pym/cl_template.py
@@ -3117,13 +3117,13 @@ os_disk_install not found mount point '\' and '\%s'")%mountPoint)
             cl_overriding.exit(1)
         pathGrubConf = "/boot/grub/grub.conf"
         replace = ""
-        if access(pathGrubConf,R_OK):
+        if os.access(pathGrubConf,os.R_OK):
             reRemoveComments = re.compile("(^|\n)\s*#[^\n]*?(?=\n|$)", re.S)
             reGrubEntry = re.compile("title.*?(?=title|$)", re.S | re.I )
             grubconf = reRemoveComments.sub("",open(pathGrubConf,'r').read())
             roothd = filter(lambda x: x[1] == '/',
-                            zip(self.Get('os_disk_grub'),
-                                self.Get('os_install_disk_mount')))
+                            zip(self.objVar.Get('os_disk_grub'),
+                                self.objVar.Get('os_install_disk_mount')))
             if roothd:
                 roothd = "root (hd%s)" % roothd[0][0]
                 replace = ("".join(filter(lambda x: not roothd in x,