Simlib script on latest numpy triggers error

[rbiswas4]

Describe the bug
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File "/Users/rbiswas/soft/miniconda3/envs/opsimsummary/lib/python3.10/site-packages/opsimsummary-3.0.0-py3.10.egg/opsimsummary/opsim_out.py", line 800, in get_propIDDict
    if isinstance(pdict[key], collections.Iterable):

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[rbiswas4]

This causes tests to fail as well. It is due to problems with automatic testing.