matplotlib 1.3.1 requires nose, which is not installed. matplotlib 1.3.1 requires tornado, which is

When installing tensorflow, execute the command

$ pip install

1 started/os_ setup.html

The error is as follows:

Matplotlib 1.3.1 requirements nose, which is not installed.
Matplotlib 1.3.1 requirements tornado, which is not installed.
installing collected packages: numpy, six, tensorflow
found existing installation: numpy 1.8.0rc1
to solve the problem, the implementation is as follows:

  sudo easy_install nose
  sudo easy_install tornado

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