fix: add sleep after failed download attempt

plugins/aea-cli-ipfs/aea_cli_ipfs/ipfs_utils.py

@@ -24,6 +24,7 @@
 import signal
 import subprocess  # nosec
 import tempfile
+import time
 from pathlib import Path
 from typing import Dict, IO, List, Optional, Set, Tuple, cast
 
@@ -339,6 +340,7 @@ def download(
                     break
             except ipfshttpclient.exceptions.StatusError as e:
                 logging.error(f"error on download of {hash_id}: {e}")
+                time.sleep(1)
         else:
             raise DownloadError(f"Failed to download: {hash_id}")