fix syntax

app.py

@@ -140,8 +140,8 @@ for i in range(len(node_info.index)):
             "id": node["gene_id"],
             "label": node["gene_name"] if node["gene_name"] is not None else node["gene_id"]},
         "position": {
-            "x" : layout[node["gene_index"]][0] * 1200 + 1500/2,
-            "y" : layout[node["gene_index"]][1] * 1200 + 1500/2}})
+            "x" : layout[node["gene_index"]][0] * 600 + 1500/2,
+            "y" : layout[node["gene_index"]][1] * 600 + 1500/2}})
 
 for i in range(len(neighbors.index)):
     edge = neighbors.iloc[i]
@@ -167,6 +167,7 @@ stylesheet = [
         "width": 200,
         "height": 75,
         "shape": "rectangle",
+        "label" : "data(label)",
         "labelFontSize": 100,
         'background-color': '#399AF9'
     }},