Can't find module past

[bdpedigo]

graspologic builds are failing with

________________ ERROR collecting tests/cluster/test_autogmm.py ________________
ImportError while importing test module '/home/runner/work/graspologic/graspologic/tests/cluster/test_autogmm.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/opt/hostedtoolcache/Python/3.9.[20](https://github.com/graspologic-org/graspologic/actions/runs/12254240467/job/34184712749?pr=1093#step:6:21)/x64/lib/python3.9/importlib/__init__.py:127: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
tests/cluster/test_autogmm.py:11: in <module>
    from graspologic.cluster.autogmm import AutoGMMCluster
graspologic/__init__.py:8: in <module>
    import graspologic.inference
graspologic/inference/__init__.py:6: in <module>
    from .latent_distribution_test import latent_distribution_test
graspologic/inference/latent_distribution_test.py:7: in <module>
    from hyppo.ksample import KSample
../../../.cache/pypoetry/virtualenvs/graspologic-pkHfzCJ8-py3.9/lib/python3.9/site-packages/hyppo/__init__.py:5: in <module>
    import hyppo.kgof
../../../.cache/pypoetry/virtualenvs/graspologic-pkHfzCJ8-py3.9/lib/python3.9/site-packages/hyppo/kgof/__init__.py:2: in <module>
    from .fssd import FSSD, FSSDH0SimCovObs
../../../.cache/pypoetry/virtualenvs/graspologic-pkHfzCJ8-py3.9/lib/python3.9/site-packages/hyppo/kgof/fssd.py:4: in <module>
    from past.utils import old_div
E   ModuleNotFoundError: No module named 'past'

I think it is missing from the dependencies

[sampan501]

Which hyppo version is being used? I believe this was fixed in #420 with v0.5.0

[bdpedigo]

hmm I'm somehow still seeing it despite having 0.5.1 installed:

poetry show hyppo

 name         : hyppo                                        
 version      : 0.5.1                                        
 description  : A comprehensive independence testing package 

dependencies
 - autograd >=1.3
 - numba >=0.46
 - numpy >=1.17
 - scikit-learn >=0.19.1
 - scipy >=1.4.0