You may need to modify `chumpy` package to avoid errors. * Comment line 11 in `${Your_Conda_Environment}/lib/python3.11/site-packages/chumpy/__init__.py`: ``` from .ch import * from .logic import * from .optimization import minimize from . import extras from . import testing from .version import version as __version__ from .version import version as __version__ # from numpy import bool, int, float, complex, object, unicode, str, nan, inf ``` * Add *"inspect.getargspec = inspect.getfullargspec"* in `${Your_Conda_Environment}/lib/python3.11/site-packages/chumpy/ch.py` (line 25). Now it should look like: ``` #!/usr/bin/env python # encoding: utf-8 """ Author(s): Matthew Loper See LICENCE.txt for licensing and contact information. """ __all__ = ['Ch', 'depends_on', 'MatVecMult', 'ChHandle', 'ChLambda'] import os, sys, time import inspect import scipy.sparse as sp import numpy as np import numbers import weakref import copy as external_copy from functools import wraps from scipy.sparse.linalg.interface import LinearOperator from .utils import row, col, timer, convert_inputs_to_sparse_if_necessary import collections from copy import deepcopy from functools import reduce inspect.getargspec = inspect.getfullargspec ```