[NFC] polish colossalai/cli/benchmark/benchmark.py code style (#2287)

colossalai/cli/benchmark/benchmark.py

-import colossalai
+from functools import partial
+from typing import Dict, List
+
 import click
 import torch.multiprocessing as mp
 
-from functools import partial
-from typing import List, Dict
-
+import colossalai
+from colossalai.cli.benchmark.utils import find_all_configs, get_batch_data, profile_model
 from colossalai.context import Config
 from colossalai.context.random import reset_seeds
 from colossalai.core import global_context as gpc
 from colossalai.logging import disable_existing_loggers, get_dist_logger
-from colossalai.utils import free_port, MultiTimer
-from colossalai.cli.benchmark.utils import find_all_configs, profile_model, get_batch_data
+from colossalai.utils import MultiTimer, free_port
+
 from .models import MLP
 
 
@@ -53,7 +54,7 @@ def run_dist_profiling(rank: int, world_size: int, port_list: List[int], config_
         port_list (List[int]): a list of free ports for initializing distributed networks
         config_list (List[Dict]): a list of configuration
         hyperparams (Config): the hyperparameters given by the user
-    
+
     """
 
     # disable logging for clean output