Traceback (most recent call last):


 "C:\Python27\folium_map.py", line 9, in <module>

print(folium.__version__)
AttributeError: 'module' object has no attribute '__version__'

Traceback (most recent call last):


 "test.py", line 5, in <module>

seaborn.heatmap([[1, 2], [3, 4]])


 "/home/tlaundal/Projects/seaborn-pgf-bug/env/lib/python3.8/site-packages/seaborn/_decorators.py", line 46, in inner_f

return f(**kwargs)


 "/home/tlaundal/Projects/seaborn-pgf-bug/env/lib/python3.8/site-packages/seaborn/matrix.py", line 558, in heatmap

plotter.plot(ax, cbar_ax, kwargs)


 "/home/tlaundal/Projects/seaborn-pgf-bug/env/lib/python3.8/site-packages/seaborn/matrix.py", line 342, in plot

ax.figure.draw(ax.figure.canvas.get_renderer())


 "/home/tlaundal/Projects/seaborn-pgf-bug/env/lib/python3.8/site-packages/matplotlib/artist.py", line 41, in draw_wrapper

return draw(artist, renderer, *args, **kwargs)


 "/home/tlaundal/Projects/seaborn-pgf-bug/env/lib/python3.8/site-packages/matplotlib/figure.py", line 1862, in draw

self.patch.draw(renderer)


 "/home/tlaundal/Projects/seaborn-pgf-bug/env/lib/python3.8/site-packages/matplotlib/artist.py", line 41, in draw_wrapper

return draw(artist, renderer, *args, **kwargs)


 "/home/tlaundal/Projects/seaborn-pgf-bug/env/lib/python3.8/site-packages/matplotlib/patches.py", line 587, in draw

draw_path(tpath, affine,


 "/home/tlaundal/Projects/seaborn-pgf-bug/env/lib/python3.8/site-packages/matplotlib/backends/backend_pgf.py", line 475, in draw_path

writeln(self.fh, r"\begin{pgfscope}")


 "/home/tlaundal/Projects/seaborn-pgf-bug/env/lib/python3.8/site-packages/matplotlib/backends/backend_pgf.py", line 129, in writeln

fh.write(line)
AttributeError: 'NoneType' object has no attribute 'write'
