언빌리버블티

!pythony -m pip uninstall matplotlib !pip install matplotlib==3.1.3 https://stackoverflow.com/questions/64862818/cannot-import-name-png-from-matplotlib Cannot import name '_png' from 'matplotlib' I want to use matplotlib instead kivy_garden.graph. Actually, I tried this code to check if it works for me. I've had some problems with installing matplotlib but I have successfully(or not) done t... s..