Update app.py

app.py

@@ -293,8 +293,8 @@ def index():
 
         elif "confirm_structure" in request.form and tmp_structure_path:
             try:
-                parsed = get_struc_seq(FOLDSEEK_BIN, tmp_structure_path, None, plddt_mask=False)
-                chain  = list(parsed.keys())[0]; _, _, structure_seq = parsed[chain]
+                parsed_seqs = get_struc_seq(FOLDSEEK_BIN, tmp_structure_path, ["A"], plddt_mask=False)["A"]
+                seq, foldseek_seq, structure_seq = parsed_seqs
             except Exception as e:
                 result_html = (
                     "<p style='color:red'><strong>Foldseek failed to extract sequence "
@@ -445,7 +445,7 @@ table.tg th{background:var(--bg);font-weight:600}
         <input type="number" name="drug_idx" min="1" style="width:120px">
 
   <div class="grid grid-2">
-    <button class="btn btn-primary" type="Inference" name="confirm_structure">Confirm Structure</button>
+    <button class="btn btn-primary" type="Inference" name="confirm_structure">Confirm</button>
     <button class="btn btn-primary" type="Inference" name="Inference">Inference</button>
   </div>
   <button class="btn btn-neutral" style="width:100%" type="Inference" name="clear">Clear</button>