Update app.py

app.py

@@ -42,7 +42,6 @@ def get_threejs_app():
     template = THREE_JS_TEMPLATE.replace('{', '{{').replace('}', '}}')
     # Then format only the universe_json part
     return template.replace('{universe_json}', json.dumps(universe))
-```
 class UniverseGenerator:
     def __init__(self, seed=42):
         self.rng = np.random.RandomState(seed)