Check online twice on AutoUpdate (#9999)

Increased robustness to network failures

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

utils/general.py

@@ -369,7 +369,7 @@ def check_requirements(requirements=ROOT / 'requirements.txt', exclude=(), insta
     if s and install and AUTOINSTALL:  # check environment variable
         LOGGER.info(f"{prefix} YOLOv5 requirement{'s' * (n > 1)} {s}not found, attempting AutoUpdate...")
         try:
-            assert check_online(), "AutoUpdate skipped (offline)"
+            assert check_online() or check_online(), "AutoUpdate skipped (offline)"
             LOGGER.info(check_output(f'pip install {s} {cmds}', shell=True).decode())
             source = file if 'file' in locals() else requirements
             s = f"{prefix} {n} package{'s' * (n > 1)} updated per {source}\n" \