fix syntax

app.py

@@ -67,9 +67,9 @@ for seed_gene_id in seed_gene_ids:
 
 neighbors = pd.concat(neighbors)
 
-neighbor_gene_ids = set(neighbors.gene_id_2)
-gene_ids = seed_gene_ids + list(neighbor_gene_ids)
-gene_types = ['seed'] * len(seed_genes) + ['neighbor'] * len(neighbor_gene_ids)
+neighbor_gene_ids = list(set(neighbors.gene_id_2))
+gene_ids = seed_gene_ids + neighbor_gene_ids
+gene_types = ['seed'] * len(seed_gene_ids) + ['neighbor'] * len(neighbor_gene_ids)
 
 TGME49_ids = []
 gene_names = []