format tweak

lib/OperationalLogger.py

@@ -28,7 +28,7 @@ def __exit_handler(logger, notify):
     # add the last uncaught exception that has occurred as an error, if present
     try:
         tb_lines = traceback.format_exception(sys.last_type, sys.last_value, sys.last_traceback)
-        tb_str = '\n'.join(['\t' + line.strip() for line in tb_lines])
+        tb_str = '\n'.join([(' :: ' + line.strip()) for line in tb_lines])
         logging.critical("Uncaught exception detected! Traceback follows:\n%s", tb_str)
     except AttributeError:
         pass