numpy.ndarray size changed, may indicate binary incompatibility

🐛 Bug Description

/opt/conda/lib/python3.7/site-packages/qlib/data/data.py in <module>
     18 from multiprocessing import Pool
     19 
---> 20 from .cache import H
     21 from ..config import C
     22 from .ops import Operators

/opt/conda/lib/python3.7/site-packages/qlib/data/cache.py in <module>
     34 from .base import Feature
     35 
---> 36 from .ops import Operators
     37 
     38 

/opt/conda/lib/python3.7/site-packages/qlib/data/ops.py in <module>
     17 
     18 try:
---> 19     from ._libs.rolling import rolling_slope, rolling_rsquare, rolling_resi
     20     from ._libs.expanding import expanding_slope, expanding_rsquare, expanding_resi
     21 except ImportError:

/opt/conda/lib/python3.7/site-packages/qlib/data/_libs/rolling.pyx in init qlib.data._libs.rolling()

ValueError: numpy.ndarray size changed, may indicate binary incompatibility. Expected 88 from C header, got 80 from PyObject

To Reproduce

Steps to reproduce the behavior:

1. conda create --name test python=3.7
2. pip install numpy cython pyqlib
3. Run this example (https://github.com/microsoft/qlib/blob/main/examples/workflow_by_code.ipynb) in jupyter notebook

Expected Behavior

Should successfully run this example

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.

• Qlib version: 0.6.3
• numpy version: 1.20.0
• cython version: 0.29.21
• Python version: 3.7.7
• OS ( Linux):
• Commit number (optional, please provide it if you are using the dev version):

Additional Notes