Error running the test dataset using pytest ./

[kartikchandran]

I downloaded the repo and ran the above, got an ImportError: please see below.
Kartik

`================================================ test session starts =================================================
platform darwin -- Python 3.8.18, pytest-7.4.2, pluggy-1.3.0
rootdir: /Users/kartik/Documents/GitHub/scab
plugins: anyio-4.0.0
collected 3 items / 1 error

======================================================= ERRORS =======================================================
___________________________________ ERROR collecting scab/tests/test_cellhashes.py ___________________________________
ImportError while importing test module '/Users/kartik/Documents/GitHub/scab/scab/tests/test_cellhashes.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
../../../opt/miniconda3/envs/py38/lib/python3.8/importlib/init.py:127: in import_module
return _bootstrap._gcd_import(name[level:], package, level)
scab/tests/test_cellhashes.py:8: in
from ..tools.cellhashes import _bw_silverman, positive_feature_cutoff, demultiplex
E ImportError: cannot import name 'positive_feature_cutoff' from 'scab.tools.cellhashes' (/Users/kartik/Documents/GitHub/scab/scab/tools/cellhashes.py)
================================================== warnings summary ==================================================
../../../opt/miniconda3/envs/py38/lib/python3.8/site-packages/abstar/core/abstar.py:39
/Users/kartik/opt/miniconda3/envs/py38/lib/python3.8/site-packages/abstar/core/abstar.py:39: DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html
import pkg_resources

../../../opt/miniconda3/envs/py38/lib/python3.8/site-packages/pkg_resources/init.py:2871
/Users/kartik/opt/miniconda3/envs/py38/lib/python3.8/site-packages/pkg_resources/init.py:2871: DeprecationWarning: Deprecated call to pkg_resources.declare_namespace('mpl_toolkits').
Implementing implicit namespace packages (as specified in PEP 420) is preferred to pkg_resources.declare_namespace. See https://setuptools.pypa.io/en/latest/references/keywords.html#keyword-namespace-packages
declare_namespace(pkg)

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
============================================== short test summary info ===============================================
ERROR scab/tests/test_cellhashes.py
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
============================================ 2 warnings, 1 error in 2.52s ============================================`