diff --git a/Requirements.txt b/Requirements.txt
index 4aa4a442..1673cecb 100644
--- a/Requirements.txt
+++ b/Requirements.txt
@@ -1,4 +1,4 @@
+ply
 Jinja2==2.7.3
-argparse==1.2.1
 chardet==2.2.1
 unidecode>=0.04.16
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 00000000..60871634
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,15 @@
+# To perform those tests, install `tox` and run "tox" from this directory.
+
+[tox]
+# Uncomment to use more python versions
+#envlist = py26, py27, py32, py34, lint
+envlist = py34, lint
+
+[testenv]
+commands = {envpython} setup.py test
+deps =
+
+[testenv:lint]
+basepython=python3.4
+deps=pylint
+commands=pylint patacrep --rcfile=pylintrc