Problem: tree.show() prints weird characters in the form of \xe2\x94\…

…x9c\xe2\x94\x80\xe2\x94\x80

Solution: pass stdout=False to tree.show() to make it return a string and pass that to print()
issue: caesar0301#221

examples/family_tree.py

@@ -29,17 +29,18 @@ def example(desp):
     tree = create_family_tree()
 
     example("Tree of the whole family:")
-    tree.show(key=lambda x: x.tag, reverse=True, line_type="ascii-em")
+    print(tree.show(key=lambda x: x.tag, reverse=True, stdout=False))
 
     example("All family members in DEPTH mode:")
     print(",".join([tree[node].tag for node in tree.expand_tree()]))
 
     example("All family members (with identifiers) but Diane's sub-family:")
-    tree.show(idhidden=False, filter=lambda x: x.identifier != "diane")
+    print(tree.show(idhidden=False, filter=lambda x: x.identifier !=
+                    "diane", stdout=False))
 
     example("Let me introduce Diane family only:")
     sub_t = tree.subtree("diane")
-    sub_t.show()
+    print(sub_t.show(stdout=False))
 
     example("Children of Diane:")
     for child in tree.is_branch("diane"):
@@ -51,15 +52,15 @@ def example(desp):
     new_tree.create_node("n2", 2, parent=1)
     new_tree.create_node("n3", 3, parent=1)
     tree.paste("bill", new_tree)
-    tree.show()
+    print(tree.show(stdout=False))
 
     example("They leave after a while:")
     tree.remove_node(1)
-    tree.show()
+    print(tree.show(stdout=False))
 
     example("Now Mary moves to live with grandfather Harry:")
     tree.move_node("mary", "harry")
-    tree.show()
+    print(tree.show(stdout=False))
 
     example("A big family for Mark to send message to the oldest Harry:")
     print(",".join([tree[node].tag for node in tree.rsearch("mark")]))