[Misc] Add SPDX-FileCopyrightText (#19100)

Signed-off-by: simon-mo <simon.mo@hey.com>

vllm/collect_env.py

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 # ruff: noqa
 # code borrowed from https://github.com/pytorch/pytorch/blob/main/torch/utils/collect_env.py
@@ -6,7 +7,6 @@
 import datetime
 import locale
 import os
-import re
 import subprocess
 import sys
 # Unlike the rest of the PyTorch this file must be python2 compliant.
@@ -14,6 +14,8 @@ import sys
 # Run it with `python collect_env.py` or `python -m torch.utils.collect_env`
 from collections import namedtuple
 
+import regex as re
+
 from vllm.envs import environment_variables
 
 try:
@@ -815,4 +817,4 @@ def main():
 
 
 if __name__ == '__main__':
-    main()
+    main()