

def setup(self):
    self.n = 1000
    self.indices = tm.makeStringIndex(1000)
    self.s = Series(self.n, index=self.indices)
    self.pieces = [self.s[i:(- i)] for i in range(1, 10)]
    self.pieces = (self.pieces * 50)

dataset/ETHPy150Open pydata/pandas/asv_bench/benchmarks/join_merge.py concat_series_axis1.setup/original