Python 3更新pyvisa后变慢了Windows 10。我的程序之前一直运行良好，现在在一些 win 更新之后它非常慢。
实际上在我重新安装之前它根本不起作用NI-VISA。
带有调试信息的简单示例显示时间。某种超时？
import visa;
visa.log_to_screen();
rm=visa.ResourceManager()
2016-09-14 19:50:27,600 - pyvisa - DEBUG - No user defined library files
2016-09-14 19:50:27,605 - pyvisa - DEBUG - Automatically found library files: ['C:\\WINDOWS\\system32\\visa32.dll', 'C:\\WINDOWS\\system32\\visa32.dll']
2016-09-14 19:50:27,607 - pyvisa - DEBUG - Library signatures: 90 ok, 0 failed
2016-09-14 19:50:27,607 - pyvisa - DEBUG - Created library wrapper for C:\WINDOWS\system32\visa32.dll
rm.list_resources()
2016-09-14 19:54:27,746 - pyvisa - DEBUG - viOpenDefaultRM('<ViObject object at 0x00000000054A0748>',) -> 0
2016-09-14 19:54:27,746 - pyvisa - DEBUG - Created ResourceManager with session 4097
2016-09-14 19:54:27,994 - pyvisa - DEBUG - viFindRsrc(4097, '?*::INSTR', '<ViObject object at 0x00000000054A0748>', 'c_ulong(1)', <ctypes.c_char_Array_256 object at 0x00000000054A0CC8>) -> 0
('USB0::0x0957::0x2007::MY49002886::INSTR',)
2016-09-14 19:54:27,994 - pyvisa - DEBUG - viClose(<ViObject object at 0x00000000054A0748>,) -> 0