diff --git a/tests/test_ddlpy.py b/tests/test_ddlpy.py
index 760a254..359153d 100755
--- a/tests/test_ddlpy.py
+++ b/tests/test_ddlpy.py
@@ -55,6 +55,7 @@ def test_measurements_empty(location):
 
 
 def test_measurements_typerror(locations):
+    locations = ddlpy.locations()
     start_date = dt.datetime(1953, 1, 1)
     end_date = dt.datetime(1953, 4, 1)
     with pytest.raises(TypeError):