diff --git a/nostr_dvm/utils/nostr_utils.py b/nostr_dvm/utils/nostr_utils.py
index f6fdf43..51425a5 100644
--- a/nostr_dvm/utils/nostr_utils.py
+++ b/nostr_dvm/utils/nostr_utils.py
@@ -1,4 +1,3 @@
-import asyncio
 import json
 import os
 from datetime import timedelta
@@ -7,7 +6,7 @@ from typing import List
 
 import dotenv
 from nostr_sdk import Filter, Client, Alphabet, EventId, Event, PublicKey, Tag, Keys, nip04_decrypt, Metadata, Options, \
-    Nip19Event, SingleLetterTag, RelayOptions, RelayLimits, SecretKey, NostrSigner, SendEventOutput
+    Nip19Event, SingleLetterTag, RelayOptions, RelayLimits, SecretKey, NostrSigner
 
 from nostr_dvm.utils.definitions import EventDefinitions
 
diff --git a/setup.py b/setup.py
index 87ae3a5..4398500 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-VERSION = '0.6.20'
+VERSION = '0.6.21'
 DESCRIPTION = 'A framework to build and run Nostr NIP90 Data Vending Machines'
 LONG_DESCRIPTION = ('A framework to build and run Nostr NIP90 Data Vending Machines. See the github repository for more information')