API Standardize X as inverse_transform input parameter

sklearn/cluster/tests/test_feature_agglomeration.py

@@ -70,7 +70,7 @@ def test_inverse_transform_Xt_deprecation():
     with pytest.raises(TypeError, match="Missing required positional argument"):
         est.inverse_transform()
 
-    with pytest.raises(ValueError, match="Cannot use both X and Xt. Use X only."):
+    with pytest.raises(TypeError, match="Cannot use both X and Xt. Use X only."):
         est.inverse_transform(X=X, Xt=X)
 
     with warnings.catch_warnings(record=True):

sklearn/decomposition/tests/test_nmf.py

@@ -949,7 +949,7 @@ def test_NMF_inverse_transform_Xt_deprecation(Estimator):
     with pytest.raises(TypeError, match="Missing required positional argument"):
         est.inverse_transform()
 
-    with pytest.raises(ValueError, match="Cannot use both X and Xt. Use X only"):
+    with pytest.raises(TypeError, match="Cannot use both X and Xt. Use X only"):
         est.inverse_transform(X=X, Xt=X)
 
     with warnings.catch_warnings(record=True):

sklearn/model_selection/tests/test_search.py

@@ -2565,7 +2565,7 @@ def test_inverse_transform_Xt_deprecation(SearchCV):
     with pytest.raises(TypeError, match="Missing required positional argument"):
         search.inverse_transform()
 
-    with pytest.raises(ValueError, match="Cannot use both X and Xt. Use X only"):
+    with pytest.raises(TypeError, match="Cannot use both X and Xt. Use X only"):
         search.inverse_transform(X=X2, Xt=X2)
 
     with warnings.catch_warnings(record=True):

sklearn/preprocessing/tests/test_discretization.py

@@ -489,7 +489,7 @@ def test_KBD_inverse_transform_Xt_deprecation():
     with pytest.raises(TypeError, match="Missing required positional argument"):
         kbd.inverse_transform()
 
-    with pytest.raises(ValueError, match="Cannot use both X and Xt. Use X only"):
+    with pytest.raises(TypeError, match="Cannot use both X and Xt. Use X only"):
         kbd.inverse_transform(X=X, Xt=X)
 
     with warnings.catch_warnings(record=True):

sklearn/tests/test_pipeline.py

@@ -1802,7 +1802,7 @@ def test_pipeline_inverse_transform_Xt_deprecation():
     with pytest.raises(TypeError, match="Missing required positional argument"):
         pipe.inverse_transform()
 
-    with pytest.raises(ValueError, match="Cannot use both X and Xt. Use X only"):
+    with pytest.raises(TypeError, match="Cannot use both X and Xt. Use X only"):
         pipe.inverse_transform(X=X, Xt=X)
 
     with warnings.catch_warnings(record=True):

sklearn/utils/deprecation.py

@@ -120,10 +120,10 @@ def _is_deprecated(func):
 def _deprecate_Xt_in_inverse_transform(X, Xt):
     """Helper to deprecate the `Xt` argument in favor of `X` in inverse_transform."""
     if X is not None and Xt is not None:
-        raise ValueError("Cannot use both X and Xt. Use X only.")
+        raise TypeError("Cannot use both X and Xt. Use X only.")
 
     if X is None and Xt is None:
-        raise TypeError("Missing required positional argument: 'X'.")
+        raise TypeError("Missing required positional argument: X.")
 
     if Xt is not None:
         warnings.warn(