On Mon, Jul 24, 2017 at 04:10:41PM +0800, Wei Wei wrote: > File "D:\Users\weiwei\Anaconda2\lib\site-packages\openslide\lowlevel.py", line 41, in <module> > _lib = cdll.LoadLibrary('libopenslide-0.dll') > WindowsError: [Error 126] Is libopenslide-0.dll in your DLL search path? --Benjamin Gilbert