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导入pdblp包后，我收到如下所述的错误。我已经看到其他关于类似问题的blpapi问题，但没有一个解决方案有效。

我从 Bloomberg API 网站 C/C++ 实验下载移入工作目录blpapi_64.dll。.lib使用 Conda python 3.7 重新安装。两次。这可能是管理员权限问题吗？ 

import pdblp as blp


Traceback (most recent call last):

  File "<ipython-input-4-37a5527b622a>", line 1, in <module>
    import pdblp as blp

  File "C:\Users\abunker\AppData\Local\Continuum\anaconda3\lib\site-packages\pdblp\__init__.py", line 1, in <module>
    from .pdblp import BCon  # NOQA

  File "C:\Users\abunker\AppData\Local\Continuum\anaconda3\lib\site-packages\pdblp\pdblp.py", line 4, in <module>
    import blpapi

  File "C:\Users\abunker\blpapi\__init__.py", line 5, in <module>
    from .internals import CorrelationId

  File "C:\Users\abunker\blpapi\internals.py", line 50, in <module>
    _internals = swig_import_helper()

  File "C:\Users\abunker\blpapi\internals.py", line 42, in swig_import_helper
    import _internals

ModuleNotFoundError: No module named '_internals'
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