Remove outdated statement in tight_layout guide.

anntzer · anntzer · commit 37bae0b12cdd · 2020-01-13T10:39:40.000+01:00
use_gridspec has been the default since c3ce78d (2012).  Admittedly
explaining the difference between Subplot and Axes (the former can be
tightlayouted, not the latter) would be nice, but that's another
project.
diff --git a/tutorials/intermediate/tight_layout_guide.py b/tutorials/intermediate/tight_layout_guide.py
@@ -336,15 +336,15 @@ def example_plot(ax, fontsize=12):
 # ========
 #
 # If you create a colorbar with `.Figure.colorbar`, the created colorbar is
-# an instance of Axes, *not* Subplot, so tight_layout does not work. With
-# Matplotlib v1.1, you may create a colorbar as a subplot using the gridspec.
+# drawn in a Subplot as long as the parent axes is also a Subplot, so
+# `.Figure.tight_layout` will work.
 
 plt.close('all')
 arr = np.arange(100).reshape((10, 10))
 fig = plt.figure(figsize=(4, 4))
 im = plt.imshow(arr, interpolation="none")
 
-plt.colorbar(im, use_gridspec=True)
+plt.colorbar(im)
 
 plt.tight_layout()
 
