diff --git a/GANDLF/entrypoints/run.py b/GANDLF/entrypoints/run.py
index 842c47b5d..fff3d437d 100644
--- a/GANDLF/entrypoints/run.py
+++ b/GANDLF/entrypoints/run.py
@@ -4,7 +4,7 @@
 import os
 import argparse
 import ast
-
+import openslide
 # import traceback
 from typing import Optional