Make sure we use a consistent pylint version

Ignacio Quintero · Ignacio Quintero · commit 96dd02838e7b · 2018-11-08T10:31:48.000-08:00
diff --git a/tox.ini b/tox.ini
@@ -78,6 +78,6 @@ commands = flake8
 [testenv:pylint]
 basepython = python3
 deps =
-    pylint
+    pylint>=2.1
 commands =
-    pylint --rcfile=.pylintrc --disable=R,C src/sagemaker
+    python -m pylint --rcfile=.pylintrc src/sagemaker
