Merge pull request scikit-learn#2780 from ugurthemaster/patch-1

Update plot_digits_pipe.py

Author: arjoly

examples/plot_digits_pipe.py

@@ -24,11 +24,12 @@
 import pylab as pl
 
 from sklearn import linear_model, decomposition, datasets
+from sklearn.pipeline import Pipeline
+from sklearn.grid_search import GridSearchCV
 
 logistic = linear_model.LogisticRegression()
 
 pca = decomposition.PCA()
-from sklearn.pipeline import Pipeline
 pipe = Pipeline(steps=[('pca', pca), ('logistic', logistic)])
 
 digits = datasets.load_digits()
@@ -50,8 +51,6 @@
 ###############################################################################
 # Prediction
 
-from sklearn.grid_search import GridSearchCV
-
 n_components = [20, 40, 64]
 Cs = np.logspace(-4, 4, 3)