fix os exit

Author: ListIndexOutOfRange

encryptcontent/plugin.py

@@ -159,7 +159,7 @@ def on_config(self, config, **kwargs):
             else:
                 logger.error(('Cannot get global password from environment variable: '),
                              (f"{str(self.config['use_secret'])}. Abort !"))
-                os.exit()
+                os._exit()
         # Set global password as default password for each page
         self.config['password'] = self.config['global_password']
         # Check if hljs feature need to be enabled, based on theme configuration