fix downloads dir

app.py

@@ -108,6 +108,9 @@ def process_model(model_id, q_method, use_imatrix, imatrix_q_method, private_rep
 
         dl_pattern += [pattern]
 
+        if not os.path.exists("downloads"):
+            os.makedirs("downloads")
+
         with tempfile.TemporaryDirectory(dir="downloads") as tmpdir:
             # Keep the model name as the dirname so the model name metadata is populated correctly
             local_dir = Path(tmpdir)/model_name