scikit-learn
diff --git a/‎sklearn/metrics/tests/test_ranking.py
Lines changed: 7 additions & 10 deletions b/‎sklearn/metrics/tests/test_ranking.py
Lines changed: 7 additions & 10 deletions
diff --git a/‎sklearn/utils/tests/test_multiclass.py
Lines changed: 2 additions & 2 deletions b/‎sklearn/utils/tests/test_multiclass.py
Lines changed: 2 additions & 2 deletions
@@ -697,13 +697,13 @@ def test_binary_clf_curve_implicit_pos_label(curve_func):
     # The error message is slightly different for bytes-encoded
     # class labels, but otherwise the behavior is the same:
     msg = (("y_true takes value in {b'a', b'b'} and pos_label is "
-           "not specified: either make y_true take "
-           "value in {0, 1} or {-1, 1} or pass pos_label "
-           "explicitly."),
+            "not specified: either make y_true take "
+            "value in {0, 1} or {-1, 1} or pass pos_label "
+            "explicitly."),
            ('Labels represented as bytes is not supported.'
             ' Convert the labels to a supported format.'
-            ' For example, y = y.astype\(str\)'))
-    with pytest.raises(ValueError, match=re.compile( '|'.join( msg) )):
+            ' For example, y = y.astype'r'\(str\)'))
+    with pytest.raises(ValueError, match=re.compile('|'.join(msg))):
         roc_curve(np.array([b"a", b"b"], dtype='<S1'), [0., 1.])
 
     # Check that it is possible to use floating point class labels
@@ -953,8 +953,7 @@ def test_score_scale_invariance():
     ([1, 0, 1], [0.5, 0.75, 1], [1, 1, 0], [0, 0.5, 0.5]),
     ([1, 0, 1], [0.25, 0.5, 0.75], [1, 1, 0], [0, 0.5, 0.5]),
 ])
-def test_det_curve_toydata(y_true, y_score,
-                                                expected_fpr, expected_fnr):
+def test_det_curve_toydata(y_true, y_score, expected_fpr, expected_fnr):
     # Check on a batch of small examples.
     fpr, fnr, _ = det_curve(y_true, y_score)
 
@@ -972,9 +971,7 @@ def test_det_curve_toydata(y_true, y_score,
     ([1, 0, 1], [0.25, 0.5, 0.5], [1], [0]),
     ([1, 1, 0], [0.25, 0.5, 0.5], [1], [0]),
 ])
-def test_det_curve_tie_handling(y_true, y_score,
-                                                     expected_fpr,
-                                                     expected_fnr):
+def test_det_curve_tie_handling(y_true, y_score, expected_fpr, expected_fnr):
     fpr, fnr, _ = det_curve(y_true, y_score)
 
     assert_allclose(fpr, expected_fpr)
 
@@ -438,12 +438,12 @@ def test_ovr_decision_function():
 
     assert_allclose(dec_values, dec_values_one, atol=1e-6)
 
+
 def test_labels_in_bytes_format():
     # test whether labels are represented in bytes format
     # and display a helpful message
     msg = ('Labels represented as bytes is not supported.'
            ' Convert the labels to a supported format.'
-           ' For example, y = y.astype\(str\)')
+           ' For example, y = y.astype'r'\(str\)')
     with pytest.raises(ValueError, match=msg):
         type_of_target(np.array([b'a', b'b'], dtype='<S1'))
-