def bfill(self, axis=None, inplace=False, limit=None, downcast=None):
    "\n        Synonym for :meth:`DataFrame.fillna` with ``method='bfill'``.\n        "
    return self.fillna(method='bfill', axis=axis, inplace=inplace, limit=limit, downcast=downcast)
Synonym for :meth:`DataFrame.fillna` with ``method='bfill'``.
def bfill(self, axis=None, inplace=False, limit=None, downcast=None):
    "\n        \n        "
    return self.fillna(method='bfill', axis=axis, inplace=inplace, limit=limit, downcast=downcast)