Basemap import error in PyCharm — KeyError: 'PROJ_LIB'

Question

I tried to use Basemap package to plot a map by PyCharm, but I got something wrong with

from mpl_toolkits.basemap import Basemap`

And the T

Answer 1

Proj4 easy solution to fix on pycharm is goto setting-> project interpreter -> + -> write proj4 in the search field and install.