[MRG+1] Missing import in semi supervised learning label propagation example
@@ -30,6 +30,7 @@ Kernel:
Examples
--------
+>>> import numpy as np
>>> from sklearn import datasets
>>> from sklearn.semi_supervised import LabelPropagation
>>> label_prop_model = LabelPropagation()
@@ -356,6 +357,7 @@ class LabelPropagation(BaseLabelPropagation):
Examples
--------
+ >>> import numpy as np
>>> from sklearn import datasets
>>> from sklearn.semi_supervised import LabelPropagation
>>> label_prop_model = LabelPropagation()
@@ -473,6 +475,7 @@ class LabelSpreading(BaseLabelPropagation):
Examples
--------
+ >>> import numpy as np
>>> from sklearn import datasets
>>> from sklearn.semi_supervised import LabelSpreading
>>> label_prop_model = LabelSpreading()
