Fix sphinx 1.7 breakage

nanshe-org / nanshe

An image processing toolkit

https://nanshe-org.github.io/nanshe

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

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Fix sphinx 1.7 breakage #472

Closed jakirkham closed 6 years ago

jakirkham commented 6 years ago

Makes some changes to handle breaking changes in sphinx 1.7+. Does this in such a way so as to keep compatibility with older versions of sphinx as well.