TST remove pytest.warns(None) in test_svm.py (scikit-learn#23030)

iasoon · glemaitre · commit 285db1b121a9 · 2022-04-06T11:08:11.000+02:00
diff --git a/sklearn/svm/tests/test_svm.py b/sklearn/svm/tests/test_svm.py
@@ -1331,34 +1331,13 @@ def test_svc_ovr_tie_breaking(SVCClass):
     assert np.all(pred == np.argmax(dv, axis=1))
 
 
-def test_gamma_auto():
-    X, y = [[0.0, 1.2], [1.0, 1.3]], [0, 1]
-
-    with pytest.warns(None) as record:
-        svm.SVC(kernel="linear").fit(X, y)
-    assert not [w.message for w in record]
-
-    with pytest.warns(None) as record:
-        svm.SVC(kernel="precomputed").fit(X, y)
-    assert not [w.message for w in record]
-
-
 def test_gamma_scale():
     X, y = [[0.0], [1.0]], [0, 1]
 
     clf = svm.SVC()
-    with pytest.warns(None) as record:
-        clf.fit(X, y)
-    assert not [w.message for w in record]
+    clf.fit(X, y)
     assert_almost_equal(clf._gamma, 4)
 
-    # X_var ~= 1 shouldn't raise warning, for when
-    # gamma is not explicitly set.
-    X, y = [[1, 2], [3, 2 * np.sqrt(6) / 3 + 2]], [0, 1]
-    with pytest.warns(None) as record:
-        clf.fit(X, y)
-    assert not [w.message for w in record]
-
 
 @pytest.mark.parametrize(
     "SVM, params",
