ImportError: No module named examples. tutorials. mnist

Traceback (most recent call last):
  File "nearest_neighbor.py", line 14, in <module>
    from tensorflow.examples.tutorials.mnist import input_data

ImportError: No module named examples.tutorials.mnist

Installed tensorflow After upgrading the version OK 了 ,     0.8.0 -> 0.9.0 

sudo pip install --upgrade https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-0.9.0rc0-cp27-none-linux_x86_64.whl 

sudo  pip install --upgrade https://storage.googleapis.com/tensorflow/linux/cpu/protobuf-3.0.0b2.post2-cp27-none-linux_x86_64.whl