otk: fix incorrect tree copy in otk.include
#175
Merged
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When trying to compile the example in PR#167 I noticed slightly strange behavior. Currently when doing:
the output is
The reason is that we have an extra
tree.copy()
when we process includes. However in other parts of the code (including accross recursions) we use "tree.update()" so that the tree we worked on and the tree that the other parts of the recursion go out of sync. The easiest fix is to simply drop the copy.