KeyError: 'attributeRef' - Cannot load Reqif file

[tomimoolan]

I am getting the follwing error whenver try to load a .reqif file

\rif.py", line 348, in load
values[value['attributeRef']] = reqif2py(value)

KeyError: 'attributeRef'

myDoc = pyreqif.reqif.load('a.reqif')