Add Pylint

.vscode/settings.json

@@ -4,6 +4,8 @@
         "node_modules": true,
         "third_party": true
     },
+    "python.linting.enabled": true,
     "python.linting.pylintEnabled": true,
-    "python.linting.enabled": true
+    "python.linting.pylintCategorySeverity.convention": "Warning",
+    "python.linting.pylintCategorySeverity.refactor": "Warning"
 }

test/backend/.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "python.linting.enabled": true,
+    "python.linting.pylintEnabled": true,
+    "python.linting.pylintCategorySeverity.convention": "Warning",
+    "python.linting.pylintCategorySeverity.refactor": "Warning"
+}