AttributeError: module 'numpy' has no attribute 'str'

[Chaoyingz]

🐛 Bug Description

When I run python -m pytest . -m "not slow" --durations=0 after configuring my development environment, the test prompts an AttributeError: module 'numpy' has no attribute 'str'.
numpy.str has been removed in the latest version of numpy.

To Reproduce

Steps to reproduce the behavior:

Expected Behavior

Screenshot

Environment

Note: User could run cd scripts && python collect_info.py all under project directory to get system information
and paste them here directly.

Darwin
x86_64
macOS-10.16-x86_64-i386-64bit
Darwin Kernel Version 22.3.0: Mon Jan 30 20:38:37 PST 2023; root:xnu-8792.81.3~2/RELEASE_ARM64_T6000

Python version: 3.8.16 (default, Mar 1 2023, 21:19:10) [Clang 14.0.6 ]

Qlib version: 0.9.1.99
numpy==1.23.5
pandas==1.5.3
scipy==1.10.0
requests==2.29.0
sacred==0.8.4
python-socketio==5.8.0
redis==4.5.4
python-redis-lock==4.0.0
schedule==1.2.0
cvxpy==1.3.1
hyperopt==0.1.2
fire==0.5.0
statsmodels==0.13.5
xlrd==2.0.1
plotly==5.14.1
matplotlib==3.7.1
tables==3.8.0
pyyaml==6.0
mlflow==1.30.0
tqdm==4.65.0
loguru==0.7.0
lightgbm==3.3.5
tornado==6.3.1
joblib==1.1.1
fire==0.5.0
ruamel.yaml==0.17.22

Additional Notes