diff --git a/invokeai/backend/model_hash/hash_validator.py b/invokeai/backend/model_hash/hash_validator.py
index 2064b74a92..8c38788514 100644
--- a/invokeai/backend/model_hash/hash_validator.py
+++ b/invokeai/backend/model_hash/hash_validator.py
@@ -3,7 +3,7 @@ from base64 import b64decode
 
 
 def validate_hash(hash: str):
-    if not ":" in hash:
+    if ":" not in hash:
         return
     for enc_hash in hashes:
         alg, hash_ = hash.split(":")