(ggplot() +
geom_bar(aes(np.array([1,1,2]))))
will cause error
D:\Python36\lib\site-packages\plotnine\layer.py in generate_data(self, plot_data)
240 try:
--> 241 self.data = plot_data.copy()
242 except AttributeError:
AttributeError: 'NoneType' object has no attribute 'copy'
But it works under r with
ggplot() +
geom_bar(aes(c(1,1,2)))
will cause error
But it works under r with