From 45c510457910b7d0225d3bc20f372d8710cc1006 Mon Sep 17 00:00:00 2001
From: Joshua Harlow <harlowja@yahoo-inc.com>
Date: Sat, 16 Jun 2012 12:34:33 -0700
Subject: Add comment as to why we need to check for none/empty later when
 fetching an ipath.

---
 cloudinit/helpers.py | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'cloudinit/helpers.py')

diff --git a/cloudinit/helpers.py b/cloudinit/helpers.py
index 76faa1d5..e5c45632 100644
--- a/cloudinit/helpers.py
+++ b/cloudinit/helpers.py
@@ -128,6 +128,11 @@ class Runners(object):
             return None
         sem_path = None
         if freq == PER_INSTANCE:
+            # This may not exist,
+            # so thats why we still check for none
+            # below if say the paths object
+            # doesn't have a datasource that can
+            # provide this instance path...
             sem_path = self.paths.get_ipath("sem")
         elif freq == PER_ONCE:
             sem_path = self.paths.get_cpath("sem")
-- 
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