fix a memory leakage bug in pycbc_brute_bank #4814
Merged
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#4803 has a memory leakage bug because, as far as I understand,
atexit
makes a reference to the multiprocessing pool so it doesn't completely terminate after each call. This PR add a method to close the pool and remove the reference. I did a test with what failed before, the memory leakage doesn't occur again.