sort() issue on hclust.py file

[ShibaPrasad]

i executed your files for my understanding and getting below error.
Envirement: Python 2.7.13 and wondows

line 153, in hierarchical_clustering
current_clusters.sort()
AttributeError: 'dict' object has no attribute 'sort'

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My Solution: **

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For the above issue i just changed the line
from - <current_clusters.sort()> to <sorted(current_clusters>
and the final out put is:

0.819168173599
0.862857142857
[100, 102, 103, 104, 105, 107, 108, 109, 110, 111, 112, 115, 116, 117, 118, 120, 122, 124, 125, 128, 129, 130, 131, 132, 134, 135, 136, 137, 139, 140, 141, 143, 144, 145, 147, 148]
[50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 101, 106, 113, 114, 119, 121, 123, 126, 127, 133, 138, 142, 146, 149]
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49]

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It looks like out is same as your out put. But I would like to conform with you (for the above change)