#2 Use sys.exit() rather than exit() in Python script, following the...

#2 Use sys.exit() rather than exit() in Python script, following the suggestion fron Laurent Steff in its review of MR ctest -I 45,45,1 -V.

Scripts/check_no_executed_cell.py

 #!python
 
 import argparse
+import sys
 from typing import Optional
 from typing import Sequence
 
@@ -40,4 +41,4 @@ def main(argv: Optional[Sequence[str]] = None) -> int:
 
 
 if __name__ == '__main__':
-    exit(main())
+    sys.exit(main())
\ No newline at end of file