MAINT: drop Python 3.8 support due to EOL

benchmarks/ampform.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from pprint import pprint
-from typing import TYPE_CHECKING, Mapping, Sequence
+from typing import TYPE_CHECKING
 
 import numpy as np
 import pytest
@@ -17,6 +17,8 @@
 from tensorwaves.function.sympy import create_parametrized_function
 
 if TYPE_CHECKING:
+    from collections.abc import Mapping, Sequence
+
     from ampform.helicity import HelicityModel
     from qrules.combinatorics import StateDefinition
 

docs/amplitude-analysis.ipynb

@@ -345,7 +345,7 @@
    "source": [
     "::::{margin}\n",
     ":::{tip}\n",
-    "{doc}`TR-018<compwa:report/018>` explains some of the mechanisms behind the phase space generator as well as how to do {ref}`importance sampling<compwa:report/018:Intensity distribution>`.\n",
+    "{doc}`TR-018<compwa-report:018>` explains some of the mechanisms behind the phase space generator as well as how to do {ref}`importance sampling<compwa-report:018:Intensity distribution>`.\n",
     ":::\n",
     "::::\n",
     "\n",

docs/conf.py

@@ -200,6 +200,7 @@ def get_tensorflow_url() -> str:
 intersphinx_mapping = {
     "ampform": (f"https://ampform.readthedocs.io/{pin('ampform')}", None),
     "compwa": ("https://compwa.github.io", None),
+    "compwa-report": ("https://compwa.github.io/report", None),
     "graphviz": ("https://graphviz.readthedocs.io/en/stable", None),
     "iminuit": ("https://scikit-hep.org/iminuit", None),
     "jax": ("https://jax.readthedocs.io/en/latest", None),

pyproject.toml

@@ -18,7 +18,6 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python",
     "Topic :: Scientific/Engineering :: Physics",
@@ -47,7 +46,7 @@ keywords = [
 license = {file = "LICENSE"}
 maintainers = [{email = "[email protected]"}]
 name = "tensorwaves"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 
 [project.optional-dependencies]
 all = [
@@ -144,7 +143,6 @@ tf = [
     "numpy<2",
     "tensorflow !=2.15.0.post1", # https://github.com/ComPWA/tensorwaves/actions/runs/7147814088/job/19467965144?pr=509
     "tensorflow >=2.4", # tensorflow.experimental.numpy
-    'tensorflow <2.12; python_version <"3.9.0"',
 ]
 types = [
     "sphinx-api-relink >=0.0.4",

src/tensorwaves/data/_attrs.py

@@ -1,8 +1,10 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Iterable
+from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from tensorwaves.interface import DataTransformer
 
 

src/tensorwaves/data/phasespace.py

@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 import logging
-from typing import TYPE_CHECKING, Mapping
+from typing import TYPE_CHECKING
 
 from tqdm.auto import tqdm
 
@@ -19,6 +19,8 @@
 from .rng import TFUniformRealNumberGenerator
 
 if TYPE_CHECKING:
+    from collections.abc import Mapping
+
     import numpy as np
     import tensorflow as tf
 

src/tensorwaves/data/transform.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Mapping
+from typing import TYPE_CHECKING
 
 from attrs import field, frozen
 
@@ -16,6 +16,8 @@
 from ._attrs import to_tuple
 
 if TYPE_CHECKING:  # pragma: no cover
+    from collections.abc import Mapping
+
     import numpy as np
     import sympy as sp
 

src/tensorwaves/estimator.py

@@ -5,7 +5,7 @@
 
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Callable, Iterable, Mapping
+from typing import TYPE_CHECKING, Callable
 
 from tensorwaves.data.transform import SympyDataTransformer
 from tensorwaves.function._backend import find_function, raise_missing_module_error
@@ -19,6 +19,8 @@
 )
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable, Mapping
+
     import numpy as np
     import sympy as sp
 

src/tensorwaves/function/__init__.py

@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 import inspect
-from typing import Callable, Iterable, Mapping
+from typing import TYPE_CHECKING, Callable
 
 import attrs
 import numpy as np
@@ -16,6 +16,9 @@
     ParametrizedFunction,
 )
 
+if TYPE_CHECKING:
+    from collections.abc import Iterable, Mapping
+
 
 def _all_str(
     _: PositionalArgumentFunction, __: attrs.Attribute, value: Iterable[str]