change fi with fname

pages/application/DecisionTree/utils/dtree.py

@@ -174,7 +174,7 @@ class DecisionTree():
 
         for line in lines[1:]:
             feat, val, real = line.split()
-            self.fvmap[tuple([feat, int(val)])] = '{0}{1}'.format(feat, real)
+            self.fvmap[tuple([feat, int(val)])] = '{0}{1}'.format(self.feature_names[feat], real)
             #if feat not in self.feids:
             #    self.feids[feat] = len(self.feids)