Replaced reduce() method because of Python 3.3 Incompatibility

Kully · Kully · commit 6756fc374c5c · 2016-05-05T17:58:24.000-04:00
diff --git a/plotly/tools.py b/plotly/tools.py
@@ -1582,8 +1582,18 @@ def _trisurf(x, y, z, simplices, colormap=None,
         # None separates data corresponding to two consecutive triangles
         lists_coord = ([[[T[k % 3][c] for k in range(4)]+[None]
                         for T in tri_vertices] for c in range(3)])
-        Xe, Ye, Ze = ([reduce(lambda x, y: x+y, lists_coord[k])
-                       for k in range(3)])
+
+        Xe = lists_coord[0][0] + lists_coord[0][1]
+        for index in range(2, len(lists_coord[0])):
+            Xe = Xe + lists_coord[0][index]
+
+        Ye = lists_coord[1][0] + lists_coord[1][1]
+        for index in range(2, len(lists_coord[1])):
+            Ye = Ye + lists_coord[1][index]
+
+        Ze = lists_coord[2][0] + lists_coord[2][1]
+        for index in range(2, len(lists_coord[2])):
+            Ze = Ze + lists_coord[2][index]
 
         # define the lines to be plotted
         lines = graph_objs.Scatter3d(
