update utils.py

vllm/model_executor/model_loader/utils.py

@@ -30,7 +30,7 @@ def get_model_architecture(
                 os.environ['LLAMA_NN'] = '0'
              else:
                 os.environ['LLAMA_NN'] = '1'
-        if architectures == ['BloomForCausalLM']:
+        if architectures == ['BloomForCausalLM'] or os.getenv('LM_NN') == '0':
             os.environ['LM_NN'] = '0'
         else:
             os.environ['LM_NN'] = '1'