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.
scope = scope or PLUGIN_SCOPE_SERVICES
    if PLUGINS_LOADED.get(scope, None):
        return
    setup_logging()
    loaded_files = []
    result = []
    for module in pkgutil.iter_modules():
        file_path = None
        if six.PY3 and not isinstance(module, tuple):
            file_path = '%s/%s/plugins.py' % (module.module_finder.path, module.name)
        elif six.PY3 or isinstance(module[0], pkgutil.ImpImporter):
            if hasattr(module[0], 'path'):
                file_path = '%s/%s/plugins.py' % (module[0].path, module[1])
        if file_path and file_path not in loaded_files:
            plugin_config = load_plugin_from_path(file_path, scope=scope)
            if plugin_config:
                result.append(plugin_config)
            loaded_files.append(file_path)
    
    PLUGINS_LOADED[scope] = result
    return result
def start_apigateway(port=PORT_APIGATEWAY, asynchronous=False, update_listener=None):