Add future annotations import

Author: tobiasdiez

src/sage/geometry/cone.py

@@ -201,6 +201,8 @@
 # (at your option) any later version.
 #                  https://www.gnu.org/licenses/
 # ****************************************************************************
+from __future__ import annotations
+
 from collections.abc import Hashable, Iterable, Container
 from copy import copy
 from typing import TYPE_CHECKING, Literal

src/sage/geometry/fan.py

@@ -233,6 +233,8 @@
 # (at your option) any later version.
 #                  https://www.gnu.org/licenses/
 # ****************************************************************************
+from __future__ import annotations
+
 from collections.abc import Callable, Container
 from copy import copy
 from typing import TYPE_CHECKING, Literal

src/sage/geometry/lattice_polytope.py

@@ -120,6 +120,8 @@
 # (at your option) any later version.
 #                  https://www.gnu.org/licenses/
 # ****************************************************************************
+from __future__ import annotations
+
 import os
 import shlex
 from collections.abc import Hashable

src/sage/geometry/polyhedron/base0.py

@@ -29,6 +29,8 @@
 # (at your option) any later version.
 #                  https://www.gnu.org/licenses/
 # ****************************************************************************
+from __future__ import annotations
+
 from typing import TYPE_CHECKING, Literal
 from sage.misc.cachefunc import cached_method
 from sage.misc.abstract_method import abstract_method

src/sage/geometry/toric_lattice.py

@@ -144,6 +144,8 @@
 #
 #                  https://www.gnu.org/licenses/
 # ****************************************************************************
+from __future__ import annotations
+
 from typing import TYPE_CHECKING, Literal
 from sage.geometry.toric_lattice_element import ToricLatticeElement
 from sage.misc.lazy_import import lazy_import

src/sage/misc/explain_pickle.py

@@ -152,6 +152,8 @@
 # (at your option) any later version.
 #                  http://www.gnu.org/licenses/
 # *****************************************************************************
+from __future__ import annotations
+
 import bz2 as comp_other
 import pickletools
 import re

src/sage/misc/sage_input.py

@@ -172,6 +172,8 @@
 # (at your option) any later version.
 #                  https://www.gnu.org/licenses/
 # ****************************************************************************
+from __future__ import annotations
+
 from typing import Literal
 
 from sage.misc.lazy_import import lazy_import

src/sage/rings/complex_interval_field.py

@@ -34,6 +34,8 @@
 # (at your option) any later version.
 #                  https://www.gnu.org/licenses/
 # ****************************************************************************
+from __future__ import annotations
+
 from typing import TYPE_CHECKING, Literal
 import weakref
 

src/sage/rings/polynomial/polynomial_ring.py

@@ -137,6 +137,8 @@
 # (at your option) any later version.
 #                  https://www.gnu.org/licenses/
 # ****************************************************************************
+from __future__ import annotations
+
 import sys
 from typing import TYPE_CHECKING, Literal
 

src/sage/rings/qqbar.py

@@ -579,6 +579,8 @@
 - Carl Witty (2007-01-27): initial version
 - Carl Witty (2007-10-29): massive rewrite to support complex as well as real numbers
 """
+from __future__ import annotations
+
 import itertools
 import operator
 from typing import TYPE_CHECKING, Literal