Fetch sample values correctly

* wqflask/base/data_set.py (MrnaAssayDataSet.retrieve_sample_data):
Fix indentation.

1 files changed, 2 insertions, 2 deletions

diff --git a/wqflask/base/data_set.py b/wqflask/base/data_set.py
index 6c6deea9..67515111 100644
--- a/wqflask/base/data_set.py
+++ b/wqflask/base/data_set.py
@@ -1181,9 +1181,9 @@ ProbeFreeze.Id = ProbeSetFreeze.ProbeFreezeId AND ProbeSetFreeze.Name = %s"""
                 "ProbeSetXRef.DataId = ProbeSetData.Id "
                 "AND ProbeSetData.StrainId = Strain.Id "
                 "ORDER BY Strain.Name",
-                (trait, self.name)
+                (trait, self.name,)
             )
-        return cursor.fetchall()
+            return cursor.fetchall()
 
     def retrieve_genes(self, column_name):
         with database_connection() as conn, conn.cursor() as cursor: