Update app.py

app.py

@@ -238,6 +238,7 @@ def run_alphafold(sequences, num_recycles, random_dir):
             )
         else:
             print(f"saving to {random_dir.name}")
+            os.system(f"mkdir -p {random_dir.name}/outputs/")
             save_pdb(outs, f"{random_dir.name}/outputs/out_{i}.pdb", LEN)
     return plddts, paes, LEN