Added missing initializer.

3 jobs for bugfix/fix_missing_mp_init in 11 minutes and 34 seconds (queued for 3 minutes and 8 seconds)
Name Stage Failure
failed
test_enpt Test
enpt/version.py                                                        3      0   100%
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TOTAL 2574 243 91%
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88 tests run in 523.553 seconds.
2 errors (86 tests passed)
make: *** [Makefile:86: nosetests] Error 1
Cleaning up file based variables
ERROR: Job failed: exit code 1