added ruff code reivew

scripts/benchmark.py

@@ -1,6 +1,7 @@
 
 import os
 import sys
+
 os.environ["OPENCV_VIDEOIO_MSMF_ENABLE_HW_TRANSFORMS"] = "0" 
 import cv2
 
@@ -9,10 +10,11 @@ _local_src = os.path.join(os.path.dirname(__file__), "src")
 if _local_src not in sys.path:
     sys.path.insert(0, _local_src)
 
-import orisys
-import numpy as np
-import time
 import argparse
+import time
+
+import orisys
+
 
 def main():
     parser = argparse.ArgumentParser()
@@ -30,11 +32,13 @@ def main():
     # 方式1: 从视频文件读取
     try:
         input = int(args.video)
-        is_camera = True
-        sensor = orisys.Sensor(input, config_name=args.config, cal_path= args.cal, verbose=args.verbose, debug=args.debug)
-    except:
-        is_camera = False
+    except ValueError:
+        # Not a camera index: treat the argument as a video-file path. Only the
+        # conversion is guarded, so a genuine Sensor construction error is not
+        # swallowed and retried as a file path.
         sensor = orisys.Sensor(args.video, config_name=args.config, cal_path= args.cal, verbose=args.verbose, debug=args.debug)
+    else:
+        sensor = orisys.Sensor(input, config_name=args.config, cal_path= args.cal, verbose=args.verbose, debug=args.debug)
     # sensor = orisys.Sensor(2, config_name="./config/ddjx01_q6a.json", cal_path= "./config/ddjx01.npy", isstitch=True, cuda=False, verbose=True, backend='cpu')
 
     # 方式2: 从摄像头读取（取消注释使用）