[Python] tabpy connections issue [tableau & python]

I'm getting this problem while using tabpy. I'm using the sample - supterstore datasets, and I want to cluster the sub-category using the sum([Profit]) and sum([Sales]), but it returns the error:

ValueError : n_samples=1 should be >= n_clusters=2.
​

Here's my script:

SCRIPT_str("
from sklearn.cluster import KMeans
kmeans = KMeans(n_clusters=2)
tmp=[]
for i in range(len(_arg1)):
tmp.extend([[_arg1,_arg2]])
KMmodel = kmeans.fit(tmp)
labels = KMmodel.labels_
return labels",
sum([Profit]),sum([Sales]))

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