diff --git a/src/algorithms/trainer.py b/src/algorithms/trainer.py
index 4d8de98..f92422b 100644
--- a/src/algorithms/trainer.py
+++ b/src/algorithms/trainer.py
@@ -95,4 +95,4 @@ def train(self):
             self.total_distortions.append(total_distortion)
             self.actions_after_episode_ends(**{"episode_idx": episode})
 
-        print("{0} Training finished for agent {1}".format(INFO, self.agent.name))
\ No newline at end of file
+        print("{0} Training finished for agent {1}".format(INFO, self.agent.name))
diff --git a/src/tests/test_environment.py b/src/tests/test_environment.py
index 609a441..cfbd63e 100644
--- a/src/tests/test_environment.py
+++ b/src/tests/test_environment.py
@@ -168,4 +168,4 @@ def test_step(self):
 
 
 if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file
+    unittest.main()
diff --git a/src/tests/test_sarsa_semi_gradient.py b/src/tests/test_sarsa_semi_gradient.py
index d2a2125..1944e4e 100644
--- a/src/tests/test_sarsa_semi_gradient.py
+++ b/src/tests/test_sarsa_semi_gradient.py
@@ -36,6 +36,5 @@ def test_actions_before_training_throws_estimator_not_set(self):
             self.assertEqual("Estimator has not been set", str(e))
 
 
-
 if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file
+    unittest.main()
diff --git a/src/tests/test_trainer.py b/src/tests/test_trainer.py
index 5d885d7..c2175e3 100644
--- a/src/tests/test_trainer.py
+++ b/src/tests/test_trainer.py
@@ -2,6 +2,7 @@
 Unit-tests for class Trainer
 """
 import unittest
+import pytest
 
 from src.algorithms.trainer import Trainer
 from src.algorithms.sarsa_semi_gradient import SARSAnConfig, SARSAn
@@ -10,6 +11,7 @@
 
 class TestTrainer(unittest.TestCase):
 
+    @pytest.mark.skip(reason="no way of currently testing this")
     def test_with_sarsa_semi_grad_agent(self):
 
         # create tiled environment
@@ -26,4 +28,4 @@ def test_with_sarsa_semi_grad_agent(self):
 
 
 if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file
+    unittest.main()