basemap does not "pip install" cleanly under Python 3.13. Might be related to some of the pinned upper versions of package dependencies? This environment had numpy 1.26.4 installed (so not a numpy 2.0 ...

i do first plot in cell, than try to plot a second plot in a new cell, each starting with "%matplotlib widget". matplotlib 3.6.x : both cells have separate independent plots matplotlib 3.7.x: the plot ...