Hit a nasty error with Python's mock refusing to compare with long iterables: https://code.google.com/p/mock/issues/detail?id=232&thanks=232&ts=1400930671
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Really cute approach to reporting type errors: when there's a type error, show an example of a runtime error that the type check has prevented!
Data-Driven Techniques for Type Error Diagnosis https://escholarship.org/uc/item/59s4h4pv
Over a sufficiently long time horizon, all code you write is legacy code.
New version of difftastic is out!
* Fixed a nasty crash that was relatively common
* Minor display and performance fixes
https://github.com/Wilfred/difftastic/releases/tag/0.60.0