From 6f39d5a0636cd7d18c57dd190d10532eafe6b293 Mon Sep 17 00:00:00 2001
From: sarahmarshy <sarah.marsh.engineer@gmail.com>
Date: Thu, 11 Jan 2018 14:43:18 -0600
Subject: [PATCH] Error check existence of sectors

---
 tools/config/__init__.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/config/__init__.py b/tools/config/__init__.py
index 09f03bb7a1..e47fa74a3c 100644
--- a/tools/config/__init__.py
+++ b/tools/config/__init__.py
@@ -507,7 +507,10 @@ class Config(object):
                                   "targets.json `device_name` not found in "
                                   "arm_pack_manager index.")
         cmsis_part = cache.index[self.target.device_name]
-        return cmsis_part['sectors']
+        sectors = cmsis_part['sectors']
+        if sectors:
+            return sectors
+        raise ConfigException("No sector info available")
 
     @property
     def regions(self):