Update main.py

main.py

@@ -3,8 +3,8 @@ from flask import Flask
 app = Flask(__name__)
 
 @app.route('/')
-def index():
-    return 'Hello, World!'
+def hello():
+    return "Hello, World! This is my Flask app running on Hugging Face!"
 
 if __name__ == '__main__':
-    app.run(host='0.0.0.0')
+    app.run(debug=True, host='0.0.0.0')