Update 01r__n170_viz.py, manually adjust the ylims

Author: JohnGriffiths

examples/visual_n170/01r__n170_viz.py

@@ -110,7 +110,7 @@
 # reordering of epochs.ch_names according to [[0,2],[1,3]] of subplot axes
 
 # Manually adjust the ylims
-#for i in [0,2]: ax[i].set_ylim([-0.5e6,0.5e6])
-#for i in [1,3]: ax[i].set_ylim([-1.5e6,2.5e6])
+for i in [0,2]: ax[i].set_ylim([-0.5e6,0.5e6])
+for i in [1,3]: ax[i].set_ylim([-1.5e6,2.5e6])
 plt.tight_layout()