[Chore]:Extract math and argparse utilities to separate modules (#27188)

Signed-off-by: Yeshwanth Surya <yeshsurya@gmail.com>
Signed-off-by: Yeshwanth N <yeshsurya@gmail.com>
Signed-off-by: yeshsurya <yeshsurya@gmail.com>

vllm/entrypoints/cli/main.py

@@ -20,7 +20,7 @@ def main():
     import vllm.entrypoints.cli.run_batch
     import vllm.entrypoints.cli.serve
     from vllm.entrypoints.utils import VLLM_SUBCMD_PARSER_EPILOG, cli_env_setup
-    from vllm.utils import FlexibleArgumentParser
+    from vllm.utils.argparse_utils import FlexibleArgumentParser
 
     CMD_MODULES = [
         vllm.entrypoints.cli.openai,