diff --git a/stubs/matplotlib/backends/backend_qt.pyi b/stubs/matplotlib/backends/backend_qt.pyi
index 39038e08..01bdcf81 100644
--- a/stubs/matplotlib/backends/backend_qt.pyi
+++ b/stubs/matplotlib/backends/backend_qt.pyi
@@ -47,8 +47,8 @@ class FigureCanvasQT(QtWidgets.QWidget, FigureCanvasBase):
     def keyPressEvent(self, event) -> None: ...
     def keyReleaseEvent(self, event) -> None: ...
     def resizeEvent(self, event) -> None: ...
-    def sizeHint(self) -> QtCore.QSize: ...
-    def minumumSizeHint(self) -> QtCore.QSize: ...
+    def sizeHint(self) -> QtCore.QSize: ...  # type: ignore
+    def minumumSizeHint(self) -> QtCore.QSize: ...  # type: ignore
     def flush_events(self) -> None: ...
     def start_event_loop(self, timeout=...) -> None: ...
     def stop_event_loop(self, event=...) -> None: ...
@@ -58,7 +58,7 @@ class FigureCanvasQT(QtWidgets.QWidget, FigureCanvasBase):
     def drawRectangle(self, rect) -> None: ...
 
 class MainWindow(QtWidgets.QMainWindow):
-    closing: QtCore.Signal = ...
+    closing: QtCore.Signal = ...  # type: ignore
     def closeEvent(self, event) -> None: ...
 
 class FigureManagerQT(FigureManagerBase):
@@ -71,7 +71,7 @@ class FigureManagerQT(FigureManagerBase):
     def set_window_title(self, title) -> None: ...
 
 class NavigationToolbar2QT(NavigationToolbar2, QtWidgets.QToolBar):
-    message: QtCore.Signal = ...
+    message: QtCore.Signal = ...  # type: ignore
     toolitems: list = ...
     def __init__(self, canvas, parent=..., coordinates=...) -> None: ...
     def edit_parameters(self) -> None: ...
diff --git a/stubs/sklearn/gaussian_process/_gpr.pyi b/stubs/sklearn/gaussian_process/_gpr.pyi
index c1e2ef3f..db27248a 100644
--- a/stubs/sklearn/gaussian_process/_gpr.pyi
+++ b/stubs/sklearn/gaussian_process/_gpr.pyi
@@ -46,6 +46,7 @@ class GaussianProcessRegressor(MultiOutputMixin, RegressorMixin, BaseEstimator):
         n_restarts_optimizer: Int = 0,
         normalize_y: bool = False,
         copy_X_train: bool = True,
+        n_targets: Int | None = None,
         random_state: RandomState | None | Int = None,
     ) -> None: ...
     def fit(
diff --git a/stubs/sklearn/utils/_encode.pyi b/stubs/sklearn/utils/_encode.pyi
index 923b4020..592ca1af 100644
--- a/stubs/sklearn/utils/_encode.pyi
+++ b/stubs/sklearn/utils/_encode.pyi
@@ -8,8 +8,8 @@ from numpy import ndarray, str_
 from . import is_scalar_nan as is_scalar_nan
 
 class MissingValues(NamedTuple):
-    nan: ClassVar[bool] = ...
-    none: ClassVar[bool] = ...
+    nan: bool = ...
+    none: bool = ...
 
     def to_list(self) -> list[float | Any]: ...
 
diff --git a/stubs/sympy-stubs/plotting/pygletplot/util.pyi b/stubs/sympy-stubs/plotting/pygletplot/util.pyi
index 946c9657..9cb51157 100644
--- a/stubs/sympy-stubs/plotting/pygletplot/util.pyi
+++ b/stubs/sympy-stubs/plotting/pygletplot/util.pyi
@@ -6,13 +6,11 @@ def get_projection_matrix(array_type=..., glGetMethod=...) -> Array[c_float]: ..
 def get_viewport() -> Array[c_int]: ...
 def get_direction_vectors() -> tuple[tuple[Any, Any, Any], tuple[Any, Any, Any], tuple[Any, Any, Any]]: ...
 def get_view_direction_vectors() -> tuple[tuple[Any, Any, Any], tuple[Any, Any, Any], tuple[Any, Any, Any]]: ...
-def get_basis_vectors() -> (
-    tuple[
-        tuple[Literal[1], Literal[0], Literal[0]],
-        tuple[Literal[0], Literal[1], Literal[0]],
-        tuple[Literal[0], Literal[0], Literal[1]],
-    ]
-): ...
+def get_basis_vectors() -> tuple[
+    tuple[Literal[1], Literal[0], Literal[0]],
+    tuple[Literal[0], Literal[1], Literal[0]],
+    tuple[Literal[0], Literal[0], Literal[1]],
+]: ...
 def screen_to_model(x, y, z) -> tuple[float, float, float]: ...
 def model_to_screen(x, y, z) -> tuple[float, float, float]: ...
 def vec_subs(a, b) -> tuple[Any, ...]: ...
diff --git a/stubs/sympy-stubs/polys/numberfields/galois_resolvents.pyi b/stubs/sympy-stubs/polys/numberfields/galois_resolvents.pyi
index b71009dc..0232517f 100644
--- a/stubs/sympy-stubs/polys/numberfields/galois_resolvents.pyi
+++ b/stubs/sympy-stubs/polys/numberfields/galois_resolvents.pyi
@@ -16,16 +16,14 @@ class Resolvent:
 def wrap(text, width=...) -> LiteralString | Literal[""]: ...
 def s_vars(n) -> Any: ...
 def sparse_symmetrize_resolvent_coeffs(F, X, s, verbose=...) -> tuple[list[Any], list[Any]]: ...
-def define_resolvents() -> (
-    dict[
-        tuple[Literal[4], Literal[0]]
-        | tuple[Literal[4], Literal[1]]
-        | tuple[Literal[5], Literal[1]]
-        | tuple[Literal[6], Literal[1]]
-        | tuple[Literal[6], Literal[2]],
-        Any,
-    ]
-): ...
+def define_resolvents() -> dict[
+    tuple[Literal[4], Literal[0]]
+    | tuple[Literal[4], Literal[1]]
+    | tuple[Literal[5], Literal[1]]
+    | tuple[Literal[6], Literal[1]]
+    | tuple[Literal[6], Literal[2]],
+    Any,
+]: ...
 def generate_lambda_lookup(verbose=..., trial_run=...) -> str: ...
 def get_resolvent_by_lookup(T, number) -> list[Any]: ...