Bug summary Once I type " import matplotlib.pyplot as plt" and run it, jupyter always returns： ＂Matplotlib is building the font cache; this may take a moment.＂ ＃Then the return messages will end up ...

I've been trying to make .exe file from .py. Kinda big project, everything has worked, but then, even though I didn't change a thing, it stopped working. Having tried million possible solutions ...