Incorrect length of branches in picture

[Ника Ватолкина]

Greetings!

My name is Nicka and I encountered some issue using ete3 (3.1.3)

I visualize my tree in NHX format and somehow longer branches appear smaller on the picture than they should be. For example, 0.96 > 0.122+0.31+0.233, but EPI_ISL_292299 is on the left side in comparison to EPI_ISL_289877.

Also EPI_ISL_289877 and EPI_ISL_291397 are on one level despite having different branch lengths.

NHX file contains accurate data (same as numbers on the picture) so the problem must occur when I draw the tree.

In my code I iterate through the tree, use node.add_face() function on some nodes, and change some colors with
style = NodeStyle()
style["hz_line_color"] = color
style["vt_line_color"] = color
node.set_style(style)

and then do
ts = TreeStyle()
ts.show_leaf_name = True
pruned_tree.show(tree_style=ts)

please tell what do I do wrong and how I can get a beautiful tree with ete3

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Hope you answer,

Nicka Vatolkina