added ruff for code review

blender/scripts/patch_geometry.py

@@ -41,7 +41,12 @@ def clip_halfspace(points, distance):
 
 def clip_rect(points, x0, x1, y0, y1):
     for axis, bound, sign in ((0, x0, 1), (0, x1, -1), (1, y0, 1), (1, y1, -1)):
-        points = clip_halfspace(points, lambda p: sign * (p[axis] - bound))
+        # Bind the loop variables as defaults: the callback must clip against the
+        # plane of *this* iteration, not whatever the loop left behind.
+        points = clip_halfspace(
+            points,
+            lambda p, axis=axis, bound=bound, sign=sign: sign * (p[axis] - bound),
+        )
     return points
 
 
@@ -56,7 +61,12 @@ def project_triangle(clip_vertices):
               for i, v in enumerate(clip_vertices)]
     for axis in range(3):
         for sign in (-1, 1):
-            points = clip_halfspace(points, lambda p: p[3] + sign * p[axis])
+            # Same late-binding hazard as clip_rect: bind axis/sign per iteration so
+            # the clip plane cannot be read from a later loop state.
+            points = clip_halfspace(
+                points,
+                lambda p, axis=axis, sign=sign: p[3] + sign * p[axis],
+            )
     return [((p[0] / p[3] + 1) / 2, (p[1] / p[3] + 1) / 2,
              1 / p[3], *(b / p[3] for b in p[4:]))
             for p in points if p[3] > 1e-15]