Unicode issue on python3

Author: jenshnielsen

doc/pyplots/text_commands.py

@@ -16,7 +16,7 @@
 
 ax.text(2, 6, r'an equation: $E=mc^2$', fontsize=15)
 
-ax.text(3, 2, unicode('unicode: Institut f\374r Festk\366rperphysik', 'latin-1'))
+ax.text(3, 2, u'unicode: Institut f\374r Festk\366rperphysik')
 
 ax.text(0.95, 0.01, 'colored text in axes coords',
         verticalalignment='bottom', horizontalalignment='right',