fixed deprecated tostring() and fromstring() error

sightmachine / SimpleCV

The Open Source Framework for Machine Vision

http://simplecv.org

BSD 3-Clause "New" or "Revised" License

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Open seangtkelley opened 7 years ago

seangtkelley commented 7 years ago

tostring() and fromstring() methods are now deprecated. All calls were replaced with tobytes() and frombytes().