diff --git a/GANDLF/data/patch_miner/opm/patch_manager.py b/GANDLF/data/patch_miner/opm/patch_manager.py
index d32e769b5..abb39cf37 100644
--- a/GANDLF/data/patch_miner/opm/patch_manager.py
+++ b/GANDLF/data/patch_miner/opm/patch_manager.py
@@ -7,7 +7,7 @@
 from tqdm import tqdm
 from pathlib import Path
 import pandas as pd
-import tiffslide
+import openslide as tiffslide
 
 
 class PatchManager:
diff --git a/GANDLF/data/patch_miner/opm/utils.py b/GANDLF/data/patch_miner/opm/utils.py
index 1bee9b1f1..01387d325 100644
--- a/GANDLF/data/patch_miner/opm/utils.py
+++ b/GANDLF/data/patch_miner/opm/utils.py
@@ -17,7 +17,7 @@
 
 # import matplotlib.pyplot as plt
 import yaml
-import tiffslide
+import openslide as tiffslide
 
 # RGB Masking (pen) constants
 RGB_RED_CHANNEL = 0
diff --git a/setup.py b/setup.py
index 2e7a720dd..82508ce9b 100644
--- a/setup.py
+++ b/setup.py
@@ -6,6 +6,7 @@
 import sys, re, os
 from setuptools import setup, find_packages
 
+
 try:
     with open("README.md") as readme_file:
         readme = readme_file.read()
@@ -13,7 +14,6 @@
     readme = "No README information found."
     sys.stderr.write("Warning: Could not open '%s' due %s\n" % ("README.md", error))
 
-
 try:
     filepath = "GANDLF/version.py"
     version_file = open(filepath)