drop python 3.9 support and fix pyproject toml

Author: johannes-moegerle

.github/workflows/testing.yml

@@ -10,7 +10,7 @@ jobs:
   pytest-with-nbmake:
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:

pyproject.toml

@@ -24,7 +24,6 @@ classifiers = [
   "Programming Language :: Python",
   "Programming Language :: Python :: 3",
   "Programming Language :: Python :: 3 :: Only",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
@@ -33,7 +32,7 @@ classifiers = [
   "Topic :: Scientific/Engineering :: Physics",
   "Typing :: Typed",
 ]
-requires-python = ">= 3.9"
+requires-python = ">= 3.10"
 dependencies = [
     "numpy >= 2.0",
     "numba >= 0.60",
@@ -47,7 +46,6 @@ dependencies = [
 tests = [
   "pytest >= 8.0",
   "nbmake >= 1.3",
-  "rydstate[comparison]",
 ]
 docs = [
   "sphinx >= 7",
@@ -72,7 +70,7 @@ mypy = [
 
 [dependency-groups]
 dev = [
-  "rydstate[docs,tests,comparison,jupyter,mypy]",
+  "rydstate[docs,tests,jupyter,mypy]",
   "check-wheel-contents >= 0.6",
 ]