From 8a50b91bb73257e856473ffc26db65854cb9fcd4 Mon Sep 17 00:00:00 2001
From: Zewen Kelvin Tuong <z.tuong@uq.edu.au>
Date: Thu, 4 May 2023 14:23:49 +1000
Subject: [PATCH] Update _core.py (#268)

---
 dandelion/utilities/_core.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dandelion/utilities/_core.py b/dandelion/utilities/_core.py
index fa2396d71..38c52b37a 100644
--- a/dandelion/utilities/_core.py
+++ b/dandelion/utilities/_core.py
@@ -1593,7 +1593,7 @@ def retrieve(self, query, retrieve_mode):
                     cols.update({query + "_VJ": np.nan})
             elif retrieve_mode == "merge":
                 cols.update(
-                    {query: "|".join(x for x in set(vdj + vj) if present(x))}
+                    {query: "|".join(x for x in (vdj + vj) if present(x))}
                 )
             elif retrieve_mode == "split":
                 if len(vdj) > 0:
@@ -1947,7 +1947,7 @@ def retrieve_celltype(self, query, retrieve_mode):
                     {
                         query: "|".join(
                             x
-                            for x in set(
+                            for x in (
                                 b_vdj
                                 + abt_vdj
                                 + gdt_vdj