

def get_duplicates(self):
    from collections import defaultdict
    counter = defaultdict((lambda : 0))
    for k in self.values:
        counter[k] += 1
    return sorted((k for (k, v) in compat.iteritems(counter) if (self > 1)))

dataset/ETHPy150Open pydata/pandas/pandas/indexes/base.py Index.get_duplicates/VarMisuse@63/66 `v`->`self`