Merge pull request #673 from helmanofer/ofer_dev

Replaced python 2.x xrange to python 3.x range

nltk/cluster/gaac.py

@@ -50,8 +50,8 @@ class GAAClusterer(VectorSpaceClusterer):
         # construct the similarity matrix
         dims = (N, N)
         dist = numpy.ones(dims, dtype=numpy.float)*numpy.inf
-        for i in xrange(N):
-            for j in xrange(i+1, N):
+        for i in range(N):
+            for j in range(i+1, N):
                 dist[i, j] = cosine_distance(vectors[i], vectors[j])
 
         while cluster_count > max(self._num_clusters, 1):