导入错误：DLL 加载失败

Question

我需要从 spacepy 导入一个模块：irbempy。之后，

from spacepy import irbempy

我收到一条错误消息

ImportError: DLL load failed while importing irbempylib: The specified module could not be found

当我遵循错误时，它说它来自 irbempy 中的第 31 行：

28  import spacepy.coordinates as spc
29  import spacepy.datamodel as dm
30  try:
31      from . import irbempylib as oplib
32  except ImportError:
33      if 'sphinx' in sys.argv[0]:
34          warnings.warn('Could not import irbempylib. '
35                        'You appear to be building docs, so ignoring this error.')
36      else:
37          raise

我该如何解决这个问题？