I was trying to find a module to visualize some geographical data in python. So I was trying to use bokeh library for this purpose. But when I was learning how to use Bokeh lib from their user guide I got some error. The code I was trying to run is : from bokeh.plotting import figure, show # range bounds supplied in web mercator coordinates p = figure(x_range=(-2000000, 2000000), y_range=(1000000, 7000000), x_axis_type="mercator", y_axis_type="mercator") p.add_tile("CartoDB Positron", retina=True) show(p) And it raised: ValueError: failed to validate TileRenderer(id='1041', ...).tile_source: expected an instance of type TileSource, got CartoDB Positron of type str Athough the code is just copied from their tutorial it doesn't work. Versions of the env: Python v3.7.7 Bokeh v2.4.3 This is possible because of the xyzservices which bokeh is calling but it seems bokeh doesn't aware of the problem. Here is the user guide page on bokeh: [https://docs.bokeh.org/en/latest/docs/user_guide/topics/geo.html][1] So what do you guys think? Continue reading...
