Why has coverage been locked to `==4.0.3` for two years? Why not `>=4.0.0`?

If I add localstack to my pipenv, I can't lock because of this unnecessary dependency.
sleep_time = max(sleep_time, 10)
        
        for name, plugin in SERVICE_PLUGINS.items():
            if name in apis:
                t1 = plugin.start(asynchronous=True)
                thread = thread or t1
        time.sleep(sleep_time)
        
        check_infra(apis=apis)
        
        restore_persisted_data(apis=apis)
        print('Ready.')
        sys.stdout.flush()
        if not asynchronous and thread:
            
            
            
            while True:
                time.sleep(1)
        return thread
    except KeyboardInterrupt:
        print('Shutdown')
    except Exception as e:
        print('Error starting infrastructure: %s %s' % (e, traceback.format_exc()))
        sys.stdout.flush()
        raise e
    finally:
        if not asynchronous:
            stop_infra()