Removed fsevents. It seems to be causing an issue on yarn.

slig · slig · commit be01c0ba9205 · 2017-01-11T21:55:34.000-02:00
diff --git a/package.json b/package.json
@@ -51,7 +51,6 @@
   "devDependencies": {
     "babel-eslint": "^7.0.0",
     "eslint": "^3.7.1",
-    "eslint-plugin-react": "^6.4.1",
-    "fsevents": "^1.0.14"
+    "eslint-plugin-react": "^6.4.1"
   }
 }
