Update app.py

app.py

@@ -174,7 +174,7 @@ with gr.Blocks() as demo1:
         else:
             seqs = load_protein_sequences(inputfile)
             for header in seqs:
-                pdb_path = f"{seq.replace(" ", "_").replace(",","")}.pdb"
+                pdb_path = f'{seq.replace(" ", "_").replace(",","")}.pdb'
                 html, pdb = fold_protein_wpdb(seqs[seq], pdb_path)
                 gr.HTML(html, label=f"{seq} structural representation")   
                 Molecule3D(pdb, label=f"{seq} molecular representation")