fix import

app.py

@@ -4,7 +4,7 @@ import numpy as np
 import torch
 from transformers import AutoTokenizer, AutoModel
 from aligner import Aligner
-from utils import align_matrix_heatmap, plot_align_matrix_heatmap
+from utils import plot_align_matrix_heatmap
 
 device = "cuda" if torch.cuda.is_available() else "cpu"
 torch.manual_seed(42)