diff --git a/pyproject.toml b/pyproject.toml
index 72b4fe83..4dd7f239 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -85,7 +85,6 @@ reportSelfClsParameterName = false
 # Error reports to fix in code
 reportArgumentType = "none" # TODO
 reportAssertTypeFailure = "none" # TODO
-reportAssignmentType = "none" # TODO
 reportAttributeAccessIssue = "none" # TODO
 reportFunctionMemberAccess = "none" # TODO
 reportGeneralTypeIssues = "none" # TODO
diff --git a/stubs/matplotlib/projections/geo.pyi b/stubs/matplotlib/projections/geo.pyi
index b6f3fc14..66457b30 100644
--- a/stubs/matplotlib/projections/geo.pyi
+++ b/stubs/matplotlib/projections/geo.pyi
@@ -1,4 +1,5 @@
 from typing import Sequence
+from typing_extensions import NoReturn
 
 import numpy as np
 from matplotlib.axes import Axes
@@ -23,7 +24,7 @@ class GeoAxes(Axes):
     def set_yscale(self, *args, **kwargs) -> None: ...
 
     set_xscale = set_yscale
-    def set_xlim(self, *args, **kwargs) -> None: ...
+    def set_xlim(self, *args, **kwargs) -> NoReturn: ...
     set_ylim = set_xlim
     def format_coord(self, lon, lat) -> str: ...
     def set_longitude_grid(self, degrees: float) -> None: ...
diff --git a/stubs/skimage/measure/_regionprops.pyi b/stubs/skimage/measure/_regionprops.pyi
index d1714b7a..c0577c4c 100644
--- a/stubs/skimage/measure/_regionprops.pyi
+++ b/stubs/skimage/measure/_regionprops.pyi
@@ -8,7 +8,6 @@ import numpy as np
 from numpy.typing import ArrayLike
 from scipy import ndimage as ndi
 from scipy.spatial.distance import pdist
-from skimage.measure._regionprops import RegionProperties
 
 from . import _moments
 from ._find_contours import find_contours
diff --git a/stubs/vispy/geometry/rect.pyi b/stubs/vispy/geometry/rect.pyi
index 48740b91..21751d9d 100644
--- a/stubs/vispy/geometry/rect.pyi
+++ b/stubs/vispy/geometry/rect.pyi
@@ -1,5 +1,4 @@
 import numpy as np
-from vispy.util.svg.shapes import Rect
 
 class Rect(object):
     def __init__(self, *args, **kwargs): ...
diff --git a/stubs/vispy/visuals/line/arrow.pyi b/stubs/vispy/visuals/line/arrow.pyi
index 33cbabf7..678036b8 100644
--- a/stubs/vispy/visuals/line/arrow.pyi
+++ b/stubs/vispy/visuals/line/arrow.pyi
@@ -1,7 +1,6 @@
 import numpy as np
 from numpy.typing import ArrayLike
 from vispy.util.svg.color import Color
-from vispy.visuals.line.arrow import ArrowVisual
 
 from ... import gloo, glsl
 from ..transforms._util import as_vec4
diff --git a/stubs/vispy/visuals/transforms/linear.pyi b/stubs/vispy/visuals/transforms/linear.pyi
index aba2e28e..04c5a5c2 100644
--- a/stubs/vispy/visuals/transforms/linear.pyi
+++ b/stubs/vispy/visuals/transforms/linear.pyi
@@ -1,7 +1,6 @@
 import numpy as np
 from numpy import ndarray
 from numpy.typing import ArrayLike, NDArray
-from vispy.visuals.transforms.linear import STTransform
 
 from ...geometry import Rect
 from ...util import transforms
diff --git a/utils/validate_stubs.py b/utils/validate_stubs.py
index 477ededf..27f63aa7 100644
--- a/utils/validate_stubs.py
+++ b/utils/validate_stubs.py
@@ -389,9 +389,9 @@ def has_module(path: str, name: str, node: Item, stub: Item):
 
 
 def find_module(package: Item, module: str):
-    module = module.split(".")[1:]
+    modules = module.split(".")[1:]
     root = package
-    for m in module:
+    for m in modules:
         if m not in root.children:
             return
         root = root.children[m]