Fix "global name 'parted' is not defined" error in grml2usb

Thanks to Charles Hewson for reporting the issue.
Blame myself for introducing this issue after Mika got it right in
the first version of his patch.

diff --git a/grml2usb b/grml2usb
index 9321b98..5ac0f5c 100755 (executable)
--- a/grml2usb
+++ b/grml2usb
@@ -352,6 +352,7 @@ def check_boot_flag(device):
     boot_dev, x = get_device_from_partition(device)
 
     try:
+        import parted
         part = get_partition_for_path(device)
         if part.getFlag(parted.PARTITION_BOOT):
             logging.debug("bootflag is enabled on %s" % device)