fix s1 s2 display bug

treebuilder.py

@@ -532,7 +532,7 @@ class TreeBuilder(object):
         for gene_flow, m1s in propotion.items():
             s1, tar = gene_flow
             for m1 in m1s:
-                s1, mix, m_pd = m1
+                s2, mix, m_pd = m1
                 # print(s2, tar, s1, mix, m_pd)
                 print(mat.format(s2, tar, s1, mix, m_pd))
                 if (s1, tar) not in gene_flows_checked_by_propotion:
@@ -756,9 +756,9 @@ class TreeBuilder(object):
         if print_gene_flow:
             for l1, l2 in self.gene_flow:
                 options.append("%s -> %s [color=red]" % (l1, l2))
-        print(self.populations)
-        print(self.relations)
-        print(RenderTree(self.root))
+        # print(self.populations)
+        # print(self.relations)
+        # print(RenderTree(self.root))
         return DotExporter(self.root, options=options)
     
     def export_dot(self, filename, print_gene_flow=True):