Tox option "usedevelop" is not required since 4facceee42fb6296c0d907681858ddd1d0192363

tox.ini

@@ -1,4 +1,3 @@
-# !!! When making changes, make sure to also edit .travis.yml !!!
 [tox]
 envlist =
     cover,cover3,py26,py27,py32,py33,py34
@@ -9,7 +8,6 @@ commands =
 deps =
     meld3 >= 1.0.0
     mock >= 0.5.0
-usedevelop = true
 
 [testenv:cover]
 basepython =
@@ -22,7 +20,6 @@ deps =
     nose
     coverage
     nosexcover
-usedevelop = true
 
 [testenv:cover3]
 basepython =