If I select a kernel from Python environments, my plot will print below the notebook cell. If I select a kernel from Positron notebooks controllers, the plot will not display, either inline in the ...

fig, ax = plt.subplots ( subplot_kw= {'projection': ccrs.PlateCarree ()}, # 设置投影 figsize= (12, 8), dpi=300 ) ax.set_extent ( [lon_min_extent, lon_max_extent, lat_min_extent, lat_max_extent], ...