docs: def get_logger():
          """Get or create logger (if it does not exist)
  
          @rtype: RootLogger
          """
          name = Logr.get_logger_name()
          if name not in Logr.loggers:
              Logr.configure_check()
              Logr.loggers[name] = logging.Logger(name)
              Logr.loggers[name].addHandler(Logr.handler)
          return Logr.loggers[name]