update the jupyter notebook examples to be current

spacetelescope / imexam

imexam is a python tool for simple image examination, and plotting, with similar functionality to IRAF's imexamine

http://imexam.readthedocs.io

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

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update the jupyter notebook examples to be current #182

Open sosey opened 5 years ago

sosey commented 5 years ago

The repo has moved to py3 and had functionality updates since the notebooks were last updated. Merge the changes in from #147 and make any additional changes that are necessary