[ci] disable memory imbalance check for draft worker (#8108)

python/sglang/srt/model_executor/model_runner.py

@@ -561,7 +561,7 @@ class ModelRunner:
 
         # Check memory for tensor parallelism
         local_gpu_memory = get_available_gpu_memory(self.device, self.gpu_id)
-        if self.tp_size > 1:
+        if self.tp_size > 1 and not self.is_draft_worker:
             if min_per_gpu_memory < local_gpu_memory * 0.9:
                 if get_bool_env_var("SGL_DISABLE_TP_MEMORY_INBALANCE_CHECK"):
                     logger.warning(