Do not require initializing lists

Kully · Kully · commit 44f4c9f96f94 · 2016-05-09T16:15:15.000-04:00
diff --git a/plotly/tools.py b/plotly/tools.py
@@ -1549,10 +1549,11 @@ def _tri_indices(simplices):
 
     @staticmethod
     def _trisurf(x, y, z, simplices, colormap=None,
-                 plot_edges=None, Xe=None, Ye=None, Ze=None):
+                 plot_edges=None):
         """
         Refer to FigureFactory.create_trisurf() for docstring
         """
+        #Xe=None, Ye=None, Ze=None
         # numpy import check
         if _numpy_imported is False:
             raise ImportError("FigureFactory._trisurf() requires "
@@ -1582,20 +1583,20 @@ 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)])
-        if Xe is None:
-            Xe = []
+        #if Xe is None:
+        Xe = []
         for array in lists_coord[0]:
             for item in array:
                 Xe.append(item)
 
-        if Ye is None:
-            Ye = []
+        #if Ye is None:
+        Ye = []
         for array in lists_coord[1]:
             for item in array:
                 Ye.append(item)
 
-        if Ze is None:
-            Ze = []
+        #if Ze is None:
+        Ze = []
         for array in lists_coord[2]:
             for item in array:
                 Ze.append(item)
