Skip installing the package when running flake8

Author: davehunt

tox.ini

@@ -7,11 +7,10 @@
 envlist = py{27,36,py,py3}, flake8
 
 [testenv]
-deps =
-    pytest-localserver
+deps = pytest-localserver
 commands = py.test -v -r a {posargs}
 
 [testenv:flake8]
-basepython = python
+skip_install = true
 deps = flake8
 commands = flake8 {posargs:.}