diff --git a/testRequirements.txt b/testRequirements.txt
index e385cb83211b9ae259e34df42ac8bf4f862076c6..28035e5fb61c0171283d9abc28f18a79fc938575 100644
--- a/testRequirements.txt
+++ b/testRequirements.txt
@@ -7,3 +7,4 @@ pluggy==1.3.0
 pyproject_hooks==1.0.0
 pytest==7.4.1
 pytest-cov==4.1.0
+requests==2.31.0
diff --git a/tests/test_dsiUnits.py b/tests/test_dsiUnits.py
index acff0b15ec09bf170922e28fe149b7998098dde5..cf2ca5b9c6706ed47e6f698835c86eab9d2e63b2 100644
--- a/tests/test_dsiUnits.py
+++ b/tests/test_dsiUnits.py
@@ -18,7 +18,6 @@ import pytest
 import sys
 import math
 import re
-from itertools import combinations
 
 from dsiUnitNode import dsiUnitNode
 from dsiUnits import dsiUnit