fix app single

app.py

@@ -8,7 +8,7 @@ def classifier(peptide_seq):
     handle = StringIO(peptide_seq)
     data = []
     for record in SeqIO.parse(handle, 'fasta'):
-        data.append((record.id, record.seq))
+        data.append((record.id, str(record.seq)))
     device = "cuda" if torch.cuda.is_available() else "cpu" 
     neuropeptide_pred = predict(data, './model.pth', device)
     return neuropeptide_pred