The issue was caused by commit a9a7488 which introduced a performance optimization that pre-converts query vectors to bytes format. However, the Redis search client wasn't updated to handle this change and was still trying to convert the already-bytes data to bytes again, causing the ValueError

Author: slice4e

engine/clients/redis/search.py

@@ -87,8 +87,14 @@ def search_one(cls, vector, meta_conditions, top) -> List[Tuple[int, float]]:
             .dialect(4)
             .timeout(REDIS_QUERY_TIMEOUT)
         )
+        # Handle case where vector is already in bytes format (after commit a9a7488)
+        if isinstance(vector, bytes):
+            vec_param = vector
+        else:
+            vec_param = np.array(vector).astype(cls.np_data_type).tobytes()
+            
         params_dict = {
-            "vec_param": np.array(vector).astype(cls.np_data_type).tobytes(),
+            "vec_param": vec_param,
             "K": top,
             **params,
         }