Hi Yongxin Li, It looks like something has gone wrong when you upgraded FSLeyes. Can you please send the output of the following commands: which fsleyes echo $PATH ls $FSLDIR/bin Cheers, Paul On 31 August 2017 at 05:59, yxin-li <[log in to unmask]> wrote: > Dear FSL experts, > I have installed fsl 5.0.10 in my computer (lunix system centos 7). > Then I upgrade my version of FSLeyes which was installed as part of > FSL(https://fsl.fmrib.ox.ac.uk/fsl/fslwiki/FSLeyes). > After the above steps, I open a terminal and import "fsleyes" to open this > new FSL image viewer. However, it fail to open fsleyes with the following > information: > > [li@localhost bin]$ fsleyes > Traceback (most recent call last): > File "site-packages/PyInstaller/loader/rthooks/pyi_rth_mplconfig.py", > line 31, in <module> > File "/Python-3.5.3/install/lib/python3.5/site-packages/ > PyInstaller/loader/pyimod03_importers.py", line 389, in load_module > File "shutil.py", line 10, in <module> > File "/Python-3.5.3/install/lib/python3.5/site-packages/ > PyInstaller/loader/pyimod03_importers.py", line 389, in load_module > File "fnmatch.py", line 15, in <module> > File "/Python-3.5.3/install/lib/python3.5/functools.py", line 21, in > <module> > File "/Python-3.5.3/install/lib/python3.5/collections/__init__.py", > line 26, in <module> > File "/Python-3.5.3/install/lib/python3.5/site-packages/ > PyInstaller/loader/pyimod03_importers.py", line 573, in load_module > ImportError: dynamic module does not define module export function > (PyInit_operator) > Failed to execute script pyi_rth_mplconfig > > I am not familiar with python language. How can I deal with this error and > success load fsleyes? > Thanks! > Yongxin Li > > > >