fix: remove python=3.9

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12"]
         platform: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:

pyproject.toml

@@ -18,15 +18,14 @@ name = "ngio"
 dynamic = ["version"]
 description = "Next Generation file format IO"
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 license = { text = "BSD-3-Clause" }
 authors = [{ name = "Lorenzo Cerrone", email = "[email protected]" }]
 # https://pypi.org/classifiers/
 classifiers = [
     "Development Status :: 3 - Alpha",
     "License :: OSI Approved :: BSD License",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -76,7 +75,7 @@ repository = "https://github.com/lorenzocerrone/ngio"
 # https://docs.astral.sh/ruff
 [tool.ruff]
 line-length = 88
-target-version = "py39"
+target-version = "py310"
 src = ["src"]
 
 # https://docs.astral.sh/ruff/rules