1 files changed, 7 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index 5ccb5f3..3450cfc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,9 +4,13 @@
 # and then run "tox" from this directory.
 
 [tox]
+minversion = 1.6
 envlist = py26, py27, py33, pypy, pep8
+skipsdist = True
 
 [testenv]
+usedevelop = True
+install_command = pip install -U {opts} {packages}
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 commands =
@@ -17,6 +21,9 @@ commands =
 [testenv:pep8]
 commands = {toxinidir}/tools/hacking.sh {posargs}
 
+[testenv:venv]
+commands = {posargs}
+
 [tox:jenkins]
 downloadcache = ~/cache/pip