[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/platforms/interface.py

@@ -22,7 +22,7 @@ if TYPE_CHECKING:
     from vllm.inputs import ProcessorInputs, PromptType
     from vllm.pooling_params import PoolingParams
     from vllm.sampling_params import SamplingParams
-    from vllm.utils import FlexibleArgumentParser
+    from vllm.utils.argparse_utils import FlexibleArgumentParser
 else:
     FlexibleArgumentParser = object