'List all of the files and subdirectories at the specified path
on the remote host.
:type path: string
:param path: The base path from which to obtain the list.
:rtype: list
:return: A list of files and subdirectories at the specified path.'

def listdir(self, path):

    sftp_client = self.open_sftp()
    return sftp_client.listdir(path)
