Without pl.show, the figure won't be displayed.

GaelVaroquaux · Apr 1, 2011 · b58911b · b58911b
1 parent 3cd8608
commit b58911b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/tutorial/general_concepts.rst b/tutorial/general_concepts.rst
@@ -541,6 +541,7 @@ following utility function::
   ...         pl.scatter(data[target == i, 0], data[target == i, 1],
   ...                    c=c, label=label)
   ...     pl.legend()
+  ...     pl.show()
   ...
 
 Calling ``plot_2D(X_pca, iris.target, iris.target_names)`` will