diff --git a/python/tests/conftest.py b/python/tests/conftest.py
index a6f6e62ad..2912373a5 100644
--- a/python/tests/conftest.py
+++ b/python/tests/conftest.py
@@ -3,27 +3,27 @@ import datetime
 
 import numpy as np
 import pytest
-from _pytest.monkeypatch import MonkeyPatch
 
 import damask
 
 
 patched_version = '99.99.99-9999-pytest'
 @pytest.fixture
-def patch_damask_version(monkeysession):
+def patch_damask_version(monkeypatch):
     """Set damask.version for reproducible tests results."""
-    monkeysession.setattr(damask, 'version', patched_version)
+    monkeypatch.setattr(damask, 'version', patched_version)
+
 
 patched_date = datetime.datetime(2019, 11, 2, 11, 58, 0)
 @pytest.fixture
-def patch_datetime_now(monkeysession):
+def patch_datetime_now(monkeypatch):
     """Set datetime.datetime.now for reproducible tests results."""
     class mydatetime:
         @classmethod
         def now(cls):
             return patched_date
 
-    monkeysession.setattr(datetime, 'datetime', mydatetime)
+    monkeypatch.setattr(datetime, 'datetime', mydatetime)
 
 
 def pytest_addoption(parser):
diff --git a/python/tests/test_Colormap.py b/python/tests/test_Colormap.py
index 4fe0cc9fb..d3f5e45c8 100644
--- a/python/tests/test_Colormap.py
+++ b/python/tests/test_Colormap.py
@@ -7,7 +7,6 @@ import pytest
 from PIL import Image
 from PIL import ImageChops
 
-import damask
 from damask import Colormap
 
 @pytest.fixture
@@ -22,7 +21,6 @@ class TestColormap:
         print('patched damask.version')
 
     def test_conversion(self):
-
         specials = np.array([[0.,0.,0.],
                              [1.,0.,0.],
                              [0.,1.,0.],