Reworked version definition.

Removed import from __future__ and thus compatibility with python 3.10

A_FMM/__init__.py

@@ -12,13 +12,5 @@
 from A_FMM.stack import Stack
 import A_FMM.inputs as inputs
 
-try:
-    from ._version import __version__
-except ModuleNotFoundError:
-    from hatch_vcs.version_source import VCSVersionSource
-    import toml
 
-    basedir = os.path.split(os.path.dirname(__file__))[0]
-    config = toml.load(os.path.join(basedir, "pyproject.toml"))
-    vcs_version = VCSVersionSource(basedir, config["tool"]["hatch"]["version"])
-    __version__ = vcs_version.get_version_data()["version"]
+from ._version import __version__

A_FMM/_version.py

@@ -0,0 +1,8 @@
+from pathlib import Path
+from hatch_vcs.version_source import VCSVersionSource
+import toml
+
+basedir = Path(__file__).parent.parent
+config = toml.load(basedir/"pyproject.toml")
+vcs_version = VCSVersionSource(basedir, config["tool"]["hatch"]["version"])
+__version__ = vcs_version.get_version_data()["version"]

A_FMM/stack.py

@@ -1,4 +1,4 @@
-from __future__ import annotations
+from typing import Self
 
 import numpy as np
 
@@ -448,7 +448,7 @@ def double(self) -> None:
         except AttributeError:
             raise RuntimeError("structure not solved yet")
 
-    def join(self, st2: Stack) -> None:
+    def join(self, st2: Self) -> None:
         """Join the scattering matrix of the structure with the one of a second structure
 
         When doing this, the lenght of the first al last layeror each stack are ignored (set to 0).

pyproject.toml

@@ -25,8 +25,8 @@ classifiers = [
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3 :: Only",
-  "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
   "Topic :: Scientific/Engineering :: Physics",
 ]
 dependencies = [