cmake using iteritems

[schmerl]

ERROR: failed to obtain node sources for experiment [/code/experiments/recovery/subjects/fetch/experiment.yml]
Exception ignored in: <generator object ParserContext._call at 0x7efe6174f580>
Traceback (most recent call last):
File "/code/deps/roswire/src/roswire/common/cmake.py", line 274, in _call
for key, value in dict.iteritems(save_vars):
AttributeError: type object 'dict' has no attribute 'iteritems'