Moves files and directories within the MFS.

        .. code-block:: python

            >>> c.files_mv("/test/file", "/bla/file")
            b''

        Parameters
        ----------
        source : str
            Existing filepath within the MFS
        dest : str
            Destination to which the file will be moved in the MFS

def files_mv(self, source, dest, **kwargs):
        """Moves files and directories within the MFS.

        .. code-block:: python

            >>> c.files_mv("/test/file", "/bla/file")
            b''

        Parameters
        ----------
        source : str
            Existing filepath within the MFS
        dest : str
            Destination to which the file will be moved in the MFS
        """
        args = (source, dest)
        return self._client.request('/files/mv', args, **kwargs)