def _can_reindex(self, indexer):

        # trying to reindex on an axis with duplicates
        if not self.is_unique and len(indexer):
            raise ValueError("cannot reindex from a duplicate axis")
Initialze a Curl object for a single PUT request.
dataset/ETHPy150Open pydata/pandas/pandas/indexes/base.py/Index._can_reindex--crossover with--dataset/ETHPy150Open kdart/pycopia/WWW/pycopia/WWW/client.py/HTTPRequest.get_uploader