diff --git a/miplearn/components/steps/tests/test_drop_redundant.py b/miplearn/components/steps/tests/test_drop_redundant.py
index bebafdf..a863536 100644
--- a/miplearn/components/steps/tests/test_drop_redundant.py
+++ b/miplearn/components/steps/tests/test_drop_redundant.py
@@ -367,4 +367,4 @@ def test_x_multiple_solves():
     print(actual_x)
     for category in ["type-a", "type-b"]:
         np.testing.assert_array_equal(actual_x[category], expected_x[category])
-        np.testing.assert_array_equal(actual_y[category], expected_y[category])
\ No newline at end of file
+        np.testing.assert_array_equal(actual_y[category], expected_y[category])
diff --git a/miplearn/solvers/pyomo/base.py b/miplearn/solvers/pyomo/base.py
index de5a5e1..0c81a61 100644
--- a/miplearn/solvers/pyomo/base.py
+++ b/miplearn/solvers/pyomo/base.py
@@ -271,4 +271,4 @@ class BasePyomoSolver(InternalSolver):
         raise Exception("Not implemented")
 
     def get_sense(self):
-        raise Exception("Not implemented")
\ No newline at end of file
+        raise Exception("Not implemented")