Update core.py

[UdiBhaskar]

---

TypeError Traceback (most recent call last)
in
1 one_sample_test = one_sample(x=diff_score, reps=100000,
----> 2 stat='mean', alternative='two-sided', keep_dist=True, seed=10)

D:\Softwares\Anaconda3\envs\tf2\lib\site-packages\permute\core.py in one_sample(x, y, reps, stat, alternative, keep_dist, seed, plus1)
603 for i in range(reps):
604 dist.append(tst_fun(z * (1 - 2 * prng.randint(0, 2, n))))
--> 605 hits = np.sum(dist >= tst)
606 return thePvalue[alternative](hits / (reps+plus1)), tst, dist
607 else:

TypeError: '>=' not supported between instances of 'list' and 'float'

To remove these errors. we have to change the code.

[coveralls]

Coverage decreased (-0.06%) to 96.415% when pulling 07645a2 on UdiBhaskar:patch-1 into 2ff8f48 on statlab:master.