diff --git a/workflow/tests/test_pool_and_psuedoreplicate.py b/workflow/tests/test_pool_and_psuedoreplicate.py
index 7bb26c32f7ce73f78ecbd8fc680e30f9b15e5398..cb8842c178fcb5b03055e5175543ee238ad175eb 100644
--- a/workflow/tests/test_pool_and_psuedoreplicate.py
+++ b/workflow/tests/test_pool_and_psuedoreplicate.py
@@ -5,6 +5,7 @@ import pandas as pd
 from io import StringIO
 import os
 import pool_and_psuedoreplicate
+import sys
 
 test_output_path = os.path.dirname(os.path.abspath(__file__)) + \
                 '/../output/design/'