fix llamafactory-cli env

src/llamafactory/extras/env.py

@@ -6,10 +6,7 @@ import peft
 import torch
 import transformers
 import trl
-from transformers.integrations import is_deepspeed_available
-from transformers.utils import is_bitsandbytes_available, is_torch_cuda_available, is_torch_npu_available
-
-from .packages import is_vllm_available
+from transformers.utils import is_torch_cuda_available, is_torch_npu_available
 
 
 VERSION = "0.8.1.dev0"
@@ -37,19 +34,25 @@ def print_env() -> None:
         info["NPU type"] = torch.npu.get_device_name()
         info["CANN version"] = torch.version.cann
 
-    if is_deepspeed_available():
+    try:
         import deepspeed  # type: ignore
 
         info["DeepSpeed version"] = deepspeed.__version__
+    except Exception:
+        pass
 
-    if is_bitsandbytes_available():
+    try:
         import bitsandbytes
 
         info["Bitsandbytes version"] = bitsandbytes.__version__
+    except Exception:
+        pass
 
-    if is_vllm_available():
+    try:
         import vllm
 
         info["vLLM version"] = vllm.__version__
+    except Exception:
+        pass
 
     print("\n" + "\n".join(["- {}: {}".format(key, value) for key, value in info.items()]) + "\n")