def setup(self, dropna):
    n = (5 * (10 ** 5))
    arr = ['s{:04d}'.format(i) for i in np.random.randint(0, (n // 10), size=n)]
    self.ts = pd.Series(arr).astype('category')
def setup(self, dropna):
    n = (5 * (10 ** 5))
    arr = ['s{:04d}'.format(i) for i in np.random.randint(0, (n // 10), size=n)]
    self.ts = pd.Series(arr).astype('category')