Question

我安装了arch4.8.1，但是导入它时出现错误

我尝试重新安装，但这没有效果

from arch.unitroot import ADF

然后它有一个错误

AttributeError                            Traceback (most recent call last)
<ipython-input-1-41aa8ae22fe2> in <module>
----> 1 from arch.unitroot import ADF

D:\Anaconda\lib\site-packages\arch\__init__.py in <module>
      1 from arch._version import get_versions
----> 2 from arch.univariate.mean import arch_model
      3 from arch.utility import test
      4
      5 __version__ = get_versions()['version']

D:\Anaconda\lib\site-packages\arch\univariate\__init__.py in <module>
      3 from arch.univariate.distribution import (Distribution, GeneralizedError,
      4                                           Normal, SkewStudent, StudentsT)
----> 5 from arch.univariate.mean import (ARX, HARX, LS, ConstantMean, ZeroMean,
      6                                   arch_model)
      7 from arch.univariate.volatility import (ARCH, EGARCH, FIGARCH, GARCH, HARCH,

D:\Anaconda\lib\site-packages\arch\univariate\mean.py in <module>
     15 from statsmodels.tsa.tsatools import lagmat
     16
---> 17 from arch.univariate.base import (ARCHModel, ARCHModelForecast,
     18                                   ARCHModelResult, implicit_constant)
     19 from arch.univariate.distribution import (GeneralizedError, Normal,

D:\Anaconda\lib\site-packages\arch\univariate\base.py in <module>
     23
     24 from arch.univariate.distribution import Distribution, Normal
---> 25 from arch.univariate.volatility import ConstantVariance, VolatilityProcess
     26 from arch.utility.array import AbstractDocStringInheritor, ensure1d
     27 from arch.utility.exceptions import (ConvergenceWarning, StartingValueWarning,

D:\Anaconda\lib\site-packages\arch\univariate\volatility.py in <module>
     21
     22 try:
---> 23     from arch.univariate.recursions import (garch_recursion, harch_recursion,
     24                                             egarch_recursion, midas_recursion,
     25                                             figarch_weights, figarch_recursion)

D:\Anaconda\lib\site-packages\arch\univariate\recursions.cp36-win_amd64.pyd in init arch.univariate.recursions()

AttributeError: type object 'arch.univariate.recursions.array' has no attribute '__reduce_cython__'

Answer 1

这似乎是由不同版本的Cython编译的软件包引起的。我的解决方案是回滚到旧版本的“ arch”。版本4.6.0非常适合我。祝你好运。

如何在python中正确导入arch

1 个答案: