diff --git a/extras/vpp_config/vpplib/VppGrubUtil.py b/extras/vpp_config/vpplib/VppGrubUtil.py
index 1723170..d199f1e 100644
--- a/extras/vpp_config/vpplib/VppGrubUtil.py
+++ b/extras/vpp_config/vpplib/VppGrubUtil.py
@@ -101,7 +101,8 @@
         value = cmdline.split('{}='.format(grubcmdline))[1]
         value = value.rstrip('"').lstrip('"')
 
-        # jadfix intel_pstate=disable sometimes cause networks to hang on reboot
+        # jadfix intel_pstate=disable sometimes cause networks to
+        # hang on reboot
         # iommu = re.findall(r'iommu=\w+', value)
         # pstate = re.findall(r'intel_pstate=\w+', value)
         # If there is already some iommu commands set, leave them,