- for node in nodes.values():
- if node['type'] == NodeType.DUT:
- duts_vat_history[node['host']] = []
- return duts_vat_history
+ try:
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ duts_vat_history[node['host']] = []
+ return duts_vat_history
+ except AttributeError:
+ # Necessary for the generation of source code documentation.
+ pass