Fix Python SystemExit (2025 Guide)
Fix Python SystemExit (2025 Guide) Fix Python SystemExit (2025 Guide) Posted on: March 23, 2025 Encountered a "SystemExit" in Python? This exception is raised when a program terminates via sys.exit() or similar mechanisms. Let’s fix it fast in this 2025 guide! What Causes "SystemExit"? SystemExit is a built-in exception triggered when a Python script explicitly exits, often via sys.exit() . It’s not an error in the traditional sense but can cause confusion if unintended. Common causes include: Explicit Exit : Calling sys.exit() manually. Script Completion : Main script or subprocess ends abruptly. Uncaught Exit : No handling for intentional termination. # This triggers "SystemExit" import sys print("Running...") sys.exit(0) # Exits with code 0 print("...