尝试在python中导入pouchdb时出错

Question

我已经使用pip安装了pouchdb和PyQt5。当我试着

import pouchdb

我得到以下错误

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\ProgramData\Anaconda33\lib\site-packages\pouchdb\__init__.py", line 88, in <module>
    from pouchdb import context
  File "C:\ProgramData\Anaconda33\lib\site-packages\pouchdb\context.py", line 73, in <module>
    class Page(QtWebKitWidgets.QWebPage):
NameError: name 'QtWebKitWidgets' is not defined

如何正确安装数据库