存在持续错误，并且所有要求均已满足。
C:\Users\dobri>python -m pip install --user pmdarima
Collecting pmdarima
Using cached https://files.pythonhosted.org/packages/1a/4f/6851c8d37551efcb8cfe12539f42f0f1b42a2d28a7275f1e1f6bdd6956a2/pmdarima-1.4.0.tar.gz
Requirement already satisfied: Cython>=0.29 in c:\users\dobri\appdata\roaming\python\python38\site-packages (from pmdarima) (0.29.14)
Requirement already satisfied: joblib>=0.11 in c:\users\dobri\appdata\roaming\python\python38\site-packages (from pmdarima) (0.14.0)
Requirement already satisfied: numpy>=1.16 in c:\users\dobri\appdata\roaming\python\python38\site-packages (from pmdarima) (1.17.4+mkl)
Requirement already satisfied: pandas>=0.19 in c:\users\dobri\appdata\roaming\python\python38\site-packages (from pmdarima) (0.25.3)
Requirement already satisfied: scikit-learn>=0.19 in c:\users\dobri\appdata\roaming\python\python38\site-packages (from pmdarima) (0.21.3)
Requirement already satisfied: scipy>=1.3 in c:\users\dobri\appdata\roaming\python\python38\site-packages (from pmdarima) (1.4.0rc1)
Requirement already satisfied: six>=1.5 in c:\users\dobri\appdata\roaming\python\python38\site-packages (from pmdarima) (1.13.0)
Requirement already satisfied: statsmodels>=0.10.0 in …