fix

Author: wangzaijun

lightllm/utils/envs_utils.py

@@ -204,7 +204,6 @@ def get_diverse_max_batch_shared_group_size() -> int:
 @lru_cache(maxsize=None)
 def enable_diverse_mode_gqa_decode_fast_kernel() -> bool:
     return get_env_start_args().diverse_mode and "ppl_int8kv_flashdecoding_diverse" in get_env_start_args().mode
-    return int(os.getenv("LIGHTLMM_RADIX_TREE_MERGE_DELTA", 6000))
 
 
 @lru_cache(maxsize=None)