Local server for diff UI
Small fix
Some small changes to notebook_diff.py
Style fix for flake8
Merge pull request #91 from selenaaa/diffing

Local server for diff UI
Revert "I hope it's all ok now"

This reverts commit 02876a440f0e3604c2acd86afbfbf8cd216ac113.
Merge branch 'master' of https://github.com/tarmstrong/nbdiff into cell-diff-ui-js
Fixed the = issue