modernize type annotations

examples/tutorial/basic_shapes.py

@@ -1,4 +1,4 @@
-from typing import Tuple, Sequence
+from typing import Sequence
 
 import numpy
 from numpy import pi

examples/tutorial/devices.py

@@ -1,5 +1,5 @@
 # TODO update tutorials
-from typing import Tuple, Sequence, Dict, Mapping
+from typing import Sequence, Mapping
 
 import numpy
 from numpy import pi
@@ -43,7 +43,7 @@ def perturbed_l3(
         trench_layer: layer_t = (1, 0),
         shifts_a: Sequence[float] = (0.15, 0, 0.075),
         shifts_r: Sequence[float] = (1.0, 1.0, 1.0),
-        xy_size: Tuple[int, int] = (10, 10),
+        xy_size: tuple[int, int] = (10, 10),
         perturbed_radius: float = 1.1,
         trench_width: float = 1200,
         ) -> Pattern:

examples/tutorial/library.py

@@ -1,4 +1,4 @@
-from typing import Tuple, Sequence, Callable
+from typing import Sequence, Callable
 from pprint import pformat
 
 import numpy
@@ -116,12 +116,12 @@ if __name__ == '__main__':
 #            other: Pattern,
 #            label_layer: layer_t = 'WATLAYER',
 #            *,
-#            port_map: Optional[Dict[str, Optional[str]]] = None,
+#            port_map: Dict[str, str | None] | None = None,
 #            **kwargs,
 #            ) -> 'prout':
 #
 #        Pattern.place(self, other, port_map=port_map, **kwargs)
-#        name: Optional[str]
+#        name: str | None
 #        for name in other.ports:
 #            if port_map:
 #                assert(name is not None)

examples/tutorial/pcgen.py

@@ -2,7 +2,7 @@
 Routines for creating normalized 2D lattices and common photonic crystal
  cavity designs.
 """
-from typing import Sequence, Tuple
+from typing import Sequence
 
 import numpy
 from numpy.typing import ArrayLike, NDArray