[MSNoise] help

hello MSnoise group i have a problem,after installing Msnoise, i tried to run MSNOISE TEST but there is some problem. I tried to install pyqt, pyside but no success. Please, if someone have an idea to solve this problem. cheers (base) vanessa@NANA:~$ msnoise test 2019-06-28 13:51:35 [DEBUG] CACHEDIR=/home/vanessa/.cache/matplotlib 2019-06-28 13:51:35 [DEBUG] Using fontManager instance from /home/vanessa/.cache/matplotlib/fontlist-v310.json 2019-06-28 13:51:36 [DEBUG] Loaded backend qt5agg version unknown. 2019-06-28 13:51:36 [DEBUG] Loaded backend qt5agg version unknown. 2019-06-28 13:51:36 [DEBUG] Loaded backend Qt5Agg version unknown. 2019-06-28 13:51:36 [DEBUG] Loaded backend agg version unknown. 2019-06-28 13:51:36 [DEBUG] Loaded backend agg version unknown. Directory is not empty, can't run tests here!