@@ -38,7 +38,7 @@ classifiers = [
 ]
 
 [tool.poetry.dependencies]
-python = ">=3.10"
+python = ">=3.11"
 numpy = ">=2.1.0"
 scipy = "*"
 matplotlib = ">=3.9.3"
 
@@ -1,8 +1,9 @@
 from __future__ import annotations
 import numpy as np
-from spatialmath import Quaternion, UnitQuaternion, SE3
+from spatialmath import Quaternion, UnitQuaternion
 from spatialmath import base
-from spatialmath.base.types import *
+from spatialmath.base.types import ArrayLike3, R8x8, R8
+from typing import Self, overload
 
 # TODO scalar multiplication
 
@@ -97,7 +98,7 @@ def __str__(self) -> str:
         """
         return str(self.real) + " + ε " + str(self.dual)
 
-    def norm(self) -> Tuple[float, float]:
+    def norm(self) -> tuple[float, float]:
         """
         Norm of a dual quaternion
 
@@ -269,6 +270,7 @@ class UnitDualQuaternion(DualQuaternion):
     @overload
     def __init__(self, T: SE3): ...
 
+    @overload
     def __init__(self, real: Quaternion, dual: Quaternion): ...
 
     def __init__(self, real=None, dual=None):
 
@@ -2,6 +2,7 @@
 
 from spatialmath.pose2d import SO2, SE2
 from spatialmath.pose3d import SO3, SE3
+import importlib.metadata
 from spatialmath.baseposematrix import BasePoseMatrix
 from spatialmath.geom2d import Line2, LineSegment2, Polygon2, Ellipse
 from spatialmath.geom3d import Line3, Plane3
@@ -49,9 +50,5 @@
     "SplineFit",
 ]
 
-try:
-    import importlib.metadata
 
-    __version__ = importlib.metadata.version("spatialmath-python")
-except:
-    pass
+__version__ = importlib.metadata.version("spatialmath-python")
Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ classifiers = [`
`38`	`38`	`]`
`39`	`39`
`40`	`40`	`[tool.poetry.dependencies]`
`41`		`-python = ">=3.10"`
	`41`	`+python = ">=3.11"`
`42`	`42`	`numpy = ">=2.1.0"`
`43`	`43`	`scipy = "*"`
`44`	`44`	`matplotlib = ">=3.9.3"`