bring back tox.ini

Author: pawelmhm

tox.ini

@@ -0,0 +1,15 @@
+# Tox (http://tox.testrun.org/) is a tool for running tests
+# in multiple virtualenvs. This configuration file will run the
+# test suite on all supported python versions. To use it, "pip install tox"
+# and then run "tox" from this directory.
+
+[tox]
+envlist = py{27,py,35,36,37}-{json,msgpack}
+
+[testenv]
+deps =
+    -r{toxinidir}/requirements-base.txt
+    -r{toxinidir}/requirements-test.txt
+    msgpack: -r{toxinidir}/requirements.txt
+    pypy-msgpack: -r{toxinidir}/requirements-pypy.txt
+commands = py.test --cov=scrapinghub --cov-report=