.

wcfs/internal/xbtree.py

@@ -467,7 +467,8 @@ def graphviz(t):
                     emit('                  <td port="con%d"></td>' % j)
                 if 1:
                     emit('                  <td port="key%d">%d</td>' % (j,key))
-            emit('                  <td port="con%d"></td>' % len(node.keyv))
+            emit('                  <td port="con%d">%s</td>' % (len(node.keyv), \
+                                            ('    ' if len(node.keyv) == 0 else '')))
 
             emit('                </tr>')
             emit('             </table>>')
@@ -501,8 +502,8 @@ def topoview(argv):
     #g = gv.Digraph(comment='AAA')
     #print(g.render(format='pdf', view=True))
     g = gv.Source(topov[0].graphviz())
-    print(g.source)
-    g.view()
+    #g.view()
+    g.render('x', format='svg')
 
 
 if __name__ == '__main__':