Update app.py

app.py

@@ -1,11 +1,11 @@
-from flask import Flask, jsonify, request
+from flask import Flask
 
 app = Flask(__name__)
 
 # Sample endpoint
 @app.route('/')
 def hello():
-    return jsonify({'message': 'Hello, World!'})
+    return 'message': 'Hello, World!'
 
 
 if __name__ == '__main__':