New TryExcept decorator (#9154)

* New TryExcept decorator

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

utils/general.py

@@ -15,7 +15,6 @@ import re
 import shutil
 import signal
 import sys
-import threading
 import time
 import urllib
 from datetime import datetime
@@ -34,6 +33,7 @@ import torch
 import torchvision
 import yaml
 
+from utils import TryExcept
 from utils.downloads import gsutil_getsize
 from utils.metrics import box_iou, fitness
 
@@ -195,27 +195,6 @@ class WorkingDirectory(contextlib.ContextDecorator):
         os.chdir(self.cwd)
 
 
-def try_except(func):
-    # try-except function. Usage: @try_except decorator
-    def handler(*args, **kwargs):
-        try:
-            func(*args, **kwargs)
-        except Exception as e:
-            print(e)
-
-    return handler
-
-
-def threaded(func):
-    # Multi-threads a target function and returns thread. Usage: @threaded decorator
-    def wrapper(*args, **kwargs):
-        thread = threading.Thread(target=func, args=args, kwargs=kwargs, daemon=True)
-        thread.start()
-        return thread
-
-    return wrapper
-
-
 def methods(instance):
     # Get class/instance methods
     return [f for f in dir(instance) if callable(getattr(instance, f)) and not f.startswith("__")]
@@ -319,7 +298,7 @@ def git_describe(path=ROOT):  # path must be a directory
         return ''
 
 
-@try_except
+@TryExcept()
 @WorkingDirectory(ROOT)
 def check_git_status(repo='ultralytics/yolov5'):
     # YOLOv5 status check, recommend 'git pull' if code is out of date
@@ -364,7 +343,7 @@ def check_version(current='0.0.0', minimum='0.0.0', name='version ', pinned=Fals
     return result
 
 
-@try_except
+@TryExcept()
 def check_requirements(requirements=ROOT / 'requirements.txt', exclude=(), install=True, cmds=()):
     # Check installed dependencies meet YOLOv5 requirements (pass *.txt file or list of packages)
     prefix = colorstr('red', 'bold', 'requirements:')