From 99bfda81abe76b3bb3f7034cf6cdac21c8d50726 Mon Sep 17 00:00:00 2001
From: Muriithi Frederick Muriuki
Date: Tue, 17 Aug 2021 11:05:03 +0300
Subject: Make child sequence a list

Issue:
https://github.com/genenetwork/gn-gemtext-threads/blob/main/topics/gn1-migration-to-gn2/clustering.gmi

* Since the `slink` function assigns values to the `listcopy` variable and its
  children, this commit ensures that the sequence is a list to allow for the
  assignment.

  If the child-sequence is a tuple, that would lead to an exception.
---
 gn3/computations/slink.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gn3/computations/slink.py b/gn3/computations/slink.py
index 5953e6b..3d7a576 100644
--- a/gn3/computations/slink.py
+++ b/gn3/computations/slink.py
@@ -161,7 +161,7 @@ def slink(lists):
     try:
         size = len(lists)
         listindexcopy = list(range(size))
-        listscopy = [child[:] for child in lists]
+        listscopy = [list(child[:]) for child in lists]
         init_size = size
         candidate = []
         while init_size > 2:
-- 
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