Sync after going through all the keys

src/settings.py

@@ -49,7 +49,6 @@ class Settings(dict):
             self.save()
 
     def set_settings(self, raw_json, patterns):
-        patterns.sync()
         try:
             data = json.loads(raw_json)
             print(data)
@@ -80,6 +79,7 @@ class Settings(dict):
                 else:
                     return "Invalid key", 400
                 self[key] = value
+            patterns.sync()
             self.save()
             return "OK", 200
         except (KeyError, ValueError):