Merge pull request #473 from Shopify/paulinakhew-pre-commit-pylint

Add pylint

Author: Paulinakhew

.pre-commit-config.yaml

@@ -14,3 +14,7 @@ repos:
     rev: 20.8b1
     hooks:
     -   id: black
+-   repo: https://github.com/PyCQA/pylint
+    rev: pylint-2.7.2
+    hooks:
+    -   id: pylint