diff --git a/src/odatse/algorithm/__init__.py b/src/odatse/algorithm/__init__.py
index cb8ad3b3..a549aa8b 100644
--- a/src/odatse/algorithm/__init__.py
+++ b/src/odatse/algorithm/__init__.py
@@ -27,6 +27,7 @@ def choose_algorithm(name):
         alg_module = importlib.import_module(alg_name)
     except ModuleNotFoundError as e:
         print("ERROR: {}".format(e))
+        import sys
         sys.exit(1)
 
     return alg_module