don't need refs_ok anymore
@@ -19,7 +19,7 @@ def connected_components(edgelist, max_components) :
if len(edgelist['pairs']) == 0:
raise StopIteration()
- it = numpy.nditer(edgelist['pairs'], ['external_loop', 'refs_ok'])
+ it = numpy.nditer(edgelist['pairs'], ['external_loop'])
for i, (a,b) in enumerate(it) :
root_a = root.get(a)
