From 70e5afc533dc6ac758900ca9691bd79b82cc47d2 Mon Sep 17 00:00:00 2001
From: Jorrit Schaap <schaap@astron.nl>
Date: Fri, 26 Feb 2021 08:56:29 +0100
Subject: [PATCH] TMSS-528: return immutable tuple

---
 LCS/PyStationModel/antennafields.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/LCS/PyStationModel/antennafields.py b/LCS/PyStationModel/antennafields.py
index 158acf4f22f..c5ac192d5c2 100644
--- a/LCS/PyStationModel/antennafields.py
+++ b/LCS/PyStationModel/antennafields.py
@@ -1,13 +1,13 @@
-def antenna_fields(station: str, antenna_set: str) -> list:
-    """ Return the list of antenna fields for a certain station, for a certain antenna set. """
+def antenna_fields(station: str, antenna_set: str) -> tuple:
+    """ Return the tuple of antenna fields for a certain station, for a certain antenna set. """
 
     if antenna_set in ["HBA_DUAL", "HBA_DUAL_INNER"] and station.startswith("CS"):
-        return [station + "HBA0", station + "HBA1"]
+        return (station + "HBA0", station + "HBA1")
 
     if antenna_set.startswith("LBA"):
-        return [station + "LBA"]
+        return (station + "LBA")
 
     if antenna_set.startswith("HBA"):
-        return [station + "HBA"]
+        return (station + "HBA")
 
     raise ValueError("Cannot parse antennaset name: %s" % antenna_set)
-- 
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