Update app.py

app.py

@@ -9,13 +9,11 @@ CORS(app)
 def get_data():
     data = {
         "nodes": [
-            {"id": "1", "data": {"label": "Data Preprocessing"}},
-            {"id": "2", "data": {"label": "Model Training"}},
-            {"id": "3", "data": {"label": "Inference"}}
+            {"id": "1", "data": {"label": "Hello"}},
+            {"id": "2", "data": {"label": "World!"}}
         ],
         "edges": [
-            {"id": "e1-2", "source": "1", "target": "2"},
-            {"id": "e2-3", "source": "2", "target": "3"}
+            {"id": "e1-2", "source": "1", "target": "2"}
         ]
     }
     return jsonify(data)