How to prevent alphabetical sorting for python bars with matplotlib?

Question

I\'m plotting some categorical data using a bar chart. Matplotlib keeps sorting my x-axis alphabetically even when I sort my dataframe values. Here\'s my code :

Answer 1

I answer my own question because I found a way around but it needs one more line of code to get to the same result and I don't like that :

summary.plot(kind='bar', ax=new_ax, color=my_colors, width=0.8)
fig3.autofmt_xdate(bottom=0.2, rotation=0, ha='center')

Second line is needed because summary.plot() changes the orientation of the xticklabels to vertical...