drothlis/stb-tester — pull request #243 by drothlis (2014-12-30 09:50:56+00:00)
Title: .travis.yml: Pin isort at 3.9.0

isort is a tool that checks that imports are sorted alphabetically and
grouped in a PEP8-compliant way. Somewhere between isort 3.9.0 and 3.9.4
a change was introduced that breaks our `make check`: Uppercase letters
now sort before all lowercase letters.