Python 正在导入 statsmodels 没有名为 'scipy.linalg' 的模块

Python importing statsmodels no module named 'scipy.linalg'

我已经安装了 scipy 和 statsmodels,但在尝试导入 statsmodels 时遇到错误:

$ pip install scipy
$ pip install statsmodels
$ python
>>> import statsmodels as sm

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/pa354/software/miniconda3/lib/python3.7/site-packages/statsmodels/__init__.py", line 10, in <module>
    from statsmodels.tools.sm_exceptions import (ConvergenceWarning, CacheWriteWarning,
  File "/home/pa354/software/miniconda3/lib/python3.7/site-packages/statsmodels/tools/__init__.py", line 1, in <module>
    from .tools import add_constant, categorical
  File "/home/pa354/software/miniconda3/lib/python3.7/site-packages/statsmodels/tools/tools.py", line 8, in <module>
    from scipy.linalg import svdvals
ModuleNotFoundError: No module named 'scipy.linalg'

升级到 scipy 的最新版本:

$ pip install scipy --upgrade