adding external port to SDN-Assist when connected to WIM

[osm/RO.git] / osm_ro / utils.py

diff --git a/osm_ro/utils.py b/osm_ro/utils.py
index 2afbc85..1e3a8ee 100644 (file)
--- a/osm_ro/utils.py
+++ b/osm_ro/utils.py
@@ -225,6 +225,8 @@ def expand_brackets(text):
     :param text:
     :return:
     """
+    if text is None:
+        return (None, )
     start = text.find("[")
     end = text.find("]")
     if start < 0 or end < 0: