Fix small bugs in max time limit setting

lib_run_single.py

@@ -1,8 +1,10 @@
-import os
 import datetime
 import json
 import logging
+import os
+
 from wrapt_timeout_decorator import *
+
 logger = logging.getLogger("desktopenv.experiment")
 
 # Open the JSON file
@@ -11,6 +13,7 @@ with open("./settings.json", "r") as file:
     data = json.load(file)
 time_limit = data["time_limit"]
 
+
 @timeout(time_limit, use_signals=False)
 def run_single_example(agent, env, example, max_steps, instruction, args, example_result_dir, scores):
     agent.reset()
@@ -37,7 +40,7 @@ def run_single_example(agent, env, example, max_steps, instruction, args, exampl
 
             # Save screenshot and trajectory information
             with open(os.path.join(example_result_dir, f"step_{step_idx + 1}_{action_timestamp}.png"),
-                        "wb") as _f:
+                      "wb") as _f:
                 with open(obs['screenshot'], "rb") as __f:
                     screenshot = __f.read()
                 _f.write(screenshot)