tslint v

angular-client/package.json

@@ -63,7 +63,7 @@
     "protractor": "~5.4.3",
     "puppeteer": "^5.2.1",
     "ts-node": "~8.3.0",
-    "tslint": "~6.1.0",
+    "tslint": "~3.9.0",
     "typescript": "~3.8.3"
   }
 }