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                                            twodonkeys

OpenOPC.client() fails with "OPCError: Dispatch: Invalid class string"

hi,man,i had the same problem ,how to fixed it? Traceback (most recent call last): File "D:\ProgramData\Anaconda3\lib\site-packages\win32com\client\dynamic.py", line 89, in _GetGoodDispatch IDispatch = pythoncom.connect(IDispatch) pywintypes.com_error: (-2147221005, '无效的类字符串', None, None) During handling...