use sys.exit.

gitignore update

.gitignore

@@ -28,3 +28,8 @@ __pycache__/
 
 # Pyenv
 **/.python-version
+
+# PyInstaller
+build/
+*.manifest
+*.spec

misc/config.py

@@ -96,6 +96,6 @@ def load_config():
 # dump/load config
 if build_config():
     print("Please edit the default configuration before running again!")
-    exit(0)
+    sys.exit(0)
 else:
     cfg = load_config()