CSIT-474: CSIT doc auto-generation

[csit.git] / resources / libraries / python / topology.py

diff --git a/resources/libraries/python/topology.py b/resources/libraries/python/topology.py
index 0b40967..3c903e5 100644 (file)
--- a/resources/libraries/python/topology.py
+++ b/resources/libraries/python/topology.py
@@ -29,7 +29,10 @@ def load_topo_from_yaml():
 
     :return: Nodes from loaded topology.
     """
-    topo_path = BuiltIn().get_variable_value("${TOPOLOGY_PATH}")
+    try:
+        topo_path = BuiltIn().get_variable_value("${TOPOLOGY_PATH}")
+    except:
+        return ''
 
     with open(topo_path) as work_file:
         return load(work_file.read())['nodes']
@@ -372,7 +375,7 @@ class Topology(object):
         :return: Interface key.
         :rtype: str
 
-        :raises TypeError: If provided with invalid arguments.
+        :raises TypeError: If provided with invalid interface argument.
         :raises RuntimeError: If the interface does not exist in topology.
         """